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RD-AlE? 756 QUALITY ASSURANCE OF THE MODIFIED CLASS CC WROING 1INSTALLATION AT GUAN(U) NAVAL FACILITIES ENGINEERINGCONNAND MASHINOTON DC CHESAPEAKE DIV T J O'3OVLE

UNCLASSIFIED NOV 96 CHES/NAVFAC-FPO-9021 F/O 13/2 NU.

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QUALITY ASSURANCE .

OF THE

MODIFIED CLASS CC MOORINGINSTALLAT ION

AT GUAM0

T. J, O'BOYLE(0

0) NOVEMBER 1980

DTICIFLECTE I

°-4E'E

C.)OCEAN ENGINEERINGAND CONSTRUCTION PROJECT OFFICE

CHESAPEAKE DIVISIONNAVAL FACILITIES ENGINEERING COMMAND

WASHINGTON,D.C 20374

...........- z 7 t2 '-"

DISCLAIMER NOTICE

THIS DOCUMENT IS BEST QUALITYPRACTICABLE. THE COPY FURNISHEDTO DTIC CONTAINED A SIGNIFICANTNUMBER OF PAGES WHICH DO NOTREPRODUCE LEGIBLY.

V p-b .

" . ° ... . . ° o . .. "

UnclassifiedSECURITY CLASSIFICATION OF THIS PAGE

REPORT DOCUMENTATION PAGEla. REPORT SECURITY CLASSIFICATION lb. RESTRICTIVE MARKINGSUnclassified

2a. SECURITY CLASSIFICATION AUTHORITY 3. DISTRIBUTION AVAILABILITY OF REP. '

Approved for public release;distribution is unlimited

2b. DECLASSIFICATION/DOWNGRADING SCHEDULE

4. PERFORMING ORGANIZATION REPORT NUMBER 5. MONITORING ORGANIZATION REPORT #FPO 8021 6

6a. NAME OF PERFORM. ORG. 6b. OFFICE SYM 7a. NAME OF MONITORING ORGANIZATIONOcean Engineering& ConstructionProject OfficeCHESNAVFACENGCOM

6c. ADDRESS (City. State, and Zip Code) 7b. ADDRESS (City, State, and Zip ) i'Bldg. 212. Washington Navy YardWashington, D.C. 20374-21218a. NAME OF FUNDING ORG. 8b. OFFICE SYN 9. PROCUREMENT INSTRUMENT INDENT #4 I , .

8c. ADDRESS (City. State & Zip) 10. SOURCE OF FUNDING NMBERS C .PROGRAM PROJECT TASK WORK UNI n

ELEMENT # # ACCESS , .

11. TITLE (Including Security Classification) 0Quality Assurance of the Modified Class CC Mooring Installation at Guam 'i

12. PERSONAL AUTHOR(S)T.J. O'Boyle

13a. TYPE OF REPORT 13b. TIME COVERED 14. DATE OF REP. (YYNMDD) 15. PAGE ZFROM TO 80-11 89

16. SUPPLEMENTARY NOTATION x

z17. COSATI CODES 18. SUBJECT TERMS (Continue on reverse if nec".

FIELD GROUP SUB-GROUP Mooring installations. Guam -. 5.

19. ABSTRACT (Continue on reverse if necessary & identify by block number)On 24 Sep 1979. CHESDIV (FPO-1). received a tasking letter to design aModified Class CC Mooring. FPO-1 accepted this task on 22 Oct 1979. and on 4Dec 1979 issued a revised set of milestones for the subject project. A ,.message containing the firm hardware list was sent to PACDIV & PWC Guam (Con't)20. DISTRIBUTION/AVAILABILITY OF ABSTRACT 21. ABSTRACT SECURITY CLASSIFICATION

SAME AS RPT.22a. NAME OF RESPONSIBLE INDIVIDUAL 22b. TELEPHONE 22c. OFFICE SYMBOL -Jacaueline B. Riley 202-433-3881DD FORM 1473, 84MAR SECURITY CLASSIFICATION OF THIS PAGE

* ,. ; * .'S." " " " ," " ." ".-"... ' . .. . '.'" . "." ."" . ..7'.'S"-. ** "

BLOCK 19 (Con't)

on 16 Jan 1980 and was followed with a letter containing supplementaryinformation in support of procuremetn and instllation on 17 Janu 1980. Thesinker design was forwarded to PACDIV on 28 Feb 1980 and the installationguidelines for the subject mooring were sent to PACDIV on 12 Mar 1980. Theinstallation guidelines called for a 100 kip pull on each chain but, as statedthe funds for anchor setting and pull tests were not available. Because ofthis restricted funding, FPO-1 reviewed the anchor setting and pull testrequirements and on 7 Nov 1980 sent PACDIV and PWC Guam a list of the minumumquality assurance (QA) requirements that had to be met. To ensure that the QA V-requirements actually were met. CHESDIV (FPO-1) sent Mr. Tom O'Boyle to Guamas their on-site representative during installation.

I,'l4 U

QUALITY ASSURANCEOF

MODIFIED CLASS CC MOORINGINSTALLATION AT GUAM

NOVEMBER 1980

By T, J, O'BOYLE

Approved: J. Ess, Manager Approved by; E. Spencer, DirectorEngineering Design Engineering DivisionBranch

OCN ENIERN AND COSRUTO PRJETfFFC

e ~OCEAN ENGINEERING AND CONSTRUCTION PROJECT OFFICE .-

CHESAPEAKE DIVISIONNAVAL FACILITIES ENGINEERING CO IAND

WASI!INGTON, D.C. 20374

FPO-1ED7:eew

26 Jan 1981

MEMORANDUM

From: FPO-1ED7To: Modified Class CC Mooring Project File

Subj: QA of Installation

Ref: (a) COMNAVELEXSYSCOM ltr PME-124-612:LL, Ser 639Cof 24 Sep 79

(b) CHESNAVFACENGCOM 041734Z Dec 79(c) CHESNAVFACENGCOM 161615Z Jan 80(d) CHESNAVFACENGCOM ltr FPO-1E:bw, Ser 11000 of

17 Jan 80(e) CHESNAVFACENGCOM ltr FPO-1E6:bw, Ser 11000 of

28 Feb 80(f) CHESNAVFACENGCOM ltr FPO-1E6:bw, Ser 11000 of

12 Mar 80(g) COMNAVELEXSYSCOM 242149Z Oct 80

* (h) CHESNAVFACENGCOM 071604Z Nov 80

Encl: (1) Copy of Ref (a)(2) Copy of Ref (b)(3) Copy of Ref (c)(4) Copy of Ref (d)(5) Copy of Ref (e)(6) Copy of Ref (f)(7) Copy of Ref (g)(8) Copy of Ref (h)

1. On 24 Sep 1979, CHESDIV (FPO-1), received a tasking letter to design aModified Class CC Mooring (ref (a); encl (1)). FPO-l accepted this taskon 22 Oct 1979, and on 4 Dec 1979 issued a revised set of milestones for thesubject project (ref (b); encl (2)). A message containing the firm hardwarelist (ref (c); encl (3)) was sent to PACDIV and PWC Guam on 16 Jan 1980 andwas followed with a letter containing supplementary information in supportof procurement and installation (ref (d); encl (4)) on 17 Jan 1980. Thesinker design was forwarded to PACDIV on 28 Feb 1980 (ref (e); encl (5))and the installation guidelines for the subject mooring were sent to PACDIVon 12 Mar 1980, (ref (f); encl (6)). The installation guidelines calledfor a 100 kip pull on each chain but, as stated in ref (g); encl (7) , thefunds for anchor setting and pull tests were not available. Because of 3this restricted funding, FPO-l reviewed the anchor setting and pull test 0requirements and on 7 Nov 1980 sent PACDIV and PWC Guam a list of theminimum quality assurance (QA) requirements that had to be met (ref (h);encl (8)). To ensure that the QA requirements actaully were met, CHESDIV

S... (FPO-l) sent Mr. Tom O'Boyle to Guam as their on-site representative duringthe installation.

D"taMA

1 4-/23abal i~aa~nll lil~

2. The mooring location is approximately 500 feet west of the existing25N/25S mooring. (See Figure lV- The mooring configuration is a three-legged array with two ground chains per leg as in a DM-26 class CC mooring.(S-V1-gureii T 3 Each ground chain terminates in a pair of tandemanchors. At the other end of the six chain legs, the termination is at acommon ground ring. A single 15,000 pound (in water weight) sinker isattached directly to the ground ring, and a 3.5 inch riser chain connectsthe ground ring to a 12 foot diameter buoy. The designed hawser from thebuoy to the ship is a dual parallel 4.25 inch diameter (13 Ind. L-

Scumference' Samson 2 in 1 nylon hawser. However, these hawsers are notavailable and the subst~tue s-a-da--parallel 5 inch diameter (15 inchcircumference), Samson 2 in 1 nylon hawser. K':

3. To install and maintain the moorings in Apra Harbor, PWC Guam usesa YFNB barge as a work platform. The barge's deck house has been cut offto provide a 140 feet 1- pr6ximateiykclear work deck from the stern,forward. To accomplish their work on the moorings, PWC secured a 60 ton,crawler crane to the deck, left of the centerline and at the stern. Tothe right of the centerline, at the forward end of the work area, PWCsecured a 3 drum 10 kip winch. Each of the drums wire ropes passes throughits own 5-part block system. The crane and the 3 drum winch are the onlypieces of machinery used by PWC to do mooring work.

4. The installation procedure, summarized in ref (h), called for usingthe 60 ton crane and the 10K winch. Because the crane was inoperative,the installation procedure was changed to use the 10K winch only and theretrievable lowering cable was replaced with 45 foot lengths of old 2 "stud-link chain. This "Emplacement" chain was secured to each anchor's ,.,%crown pin (see Figure 4) and remained attached to the crown pin after theanchor was deployed. The emplacement chain had three uses: (1) the chainwas held by pelican hooks on the deck to secure the anchors, after the

anchors were rigged over the stern; (2) the anchors were lowered using thechain; (3) the end of the emplacement chain was secured to the barge's deck,using a pelican hook, when a strain was to be applied to the 2 " ground chain.

5. A section of each 2 " ground chain was to be connected to the groundring above the sinker prior to lowering the sinker into the water. Thiswould avoid the necessity of picking up the ground ring to make any chainconnection or to use divers to connect the chain to the ground ring. Thesix sections of 2 " chain were divided into 3 pairs and each pair connected

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ATTACHMENT OF EMPLACEMENT CHAIN TO CROWN PIN--

EMPLACEMENT CHAIN

* OUTBOARD ANCHOR2.5" CH I

CRWNPI

to the ground ring using a spider plate. To ensure that the sinker would* rest on the bottom, and that the section of 2 " chain, connected to the spider

plate at one end, was long enough to permit the hauling of the other end upon the barge without lifting the sinker, each 2 " chain section was oneshot (90') long. PWC rigged the 6 pick up chain sections for the 3 chainpairs, so the long and short chain of each pair would be together on theirown buoy. (See Figure 5.) Each chain was color coded red or yellow forthe long or short chain respectively. This was done so the correct side ofthe spider plate would go to the correct set of anchor marker buoys, andthere would be no crossing of the chains.

6. For this installation scenario, using only the 10K winch, the anchorswere to be rigged over the barge's stern. (See Figure 6.) Then, afterthe connection of the 2 " ground chain to the proper pick up chain, theground chain would be let out using the winch as the barge moved towardthe anchor marker buoys. The end of the inboard anchor's emplacementchain would be secured with a pelican hook on the deck and a strain put onthe ground chain to straighten it. After the release of the inboard anchor,the winch would be used to let out the outboard anchors emplacement chainso its' end could be placed in a deck mounted pelican hook. The chain

• "between the anchors would be straightened by applying a strain to the out-board anchor. Having the emplacement chain connected to the crown pin andinstalling the anchors as discussed, would satisfy the QA requirement thatthe flukes be in the correct orientation.

7. On Monday, 17 Nov 1980, the main buoy, the 3 pick-up buoys, the riserchain, sinker, and 6 shots of pick-up chain were rigged and hoistedsimultaneously using the 100 ton (YD-226) crane. Everything was thenlowered into the water at the center marker buoy. The rest of the day wasspent rigging the first long 2 " chain on the PWC barge. For this firstchain, both outboard and inboard anchors were placed on the deck and theground chain secured to both of them. The emplacement chain was then securedto the crown pin of each anchor. Both anchors were then picked up at thesame time using both hooks of the YD crane. The PWC riggers had someproblems manuvering the two anchors into the correct orientation so theycould be secured over the stern, but the problems were solved and the rigg-ing of this first chain on the PWC barge was completed.

8. The first thing Tuesday morning, 18 Nov 1980, the PWC barge got underw1v to lnstn1] t'ie 6irst chain. Two tugs tied to the barge, such thatthey would back away from the main buoy. After the connection of the2 " chain to the pick up shot was made, the tug started to back down andthe ground chain was slacked out using the winch. As the chain was beingslacked out, an air fitting on the winch controls broke, and the winchwas unable to pay out its' wire. The PWC riggers found the problem

... ~ . . . .****' .. : . '

TWLM A4N. w.~m.-ILWL-q - ~ ~ 5 ~ - * * -~~' ,-

FIGURE 5BUOYS USED TO HOLD PICK UP CHAINS

COLOR CODED LONG ANDSHORT PICK UP CHAIN FORONE LEG

PICK P BUY MAI BUO

~PICK UP BUOY

MAINBUOYPICK UP BUOY

WIRE TO HOLDPICK UP CHAIN

3.5" RISER CHAIN

NE OF THE TWO SHOTS

ON EACH PICK UP BUOY

SINKER

FIGURE 6RIGGING OF ANCHORS OVER BARGE STERN

DECK OF BARGE

EMPLACEMENT

2.5" GROUND CHAIN CHAINS

LAIHT UTBOARD ANCHOR

SWIVEL 9 LINKSFORWARD OF THEINBOARD ANCHOR INBOARD

and made the repair. With the winch repaired, the rest of the first

chain was laid on the bottom. The strain that was put on the inboardIanchor pulled the buoy off center approximately 40 feet. (See Figure7.) After the first chain and anchors were deployed, the barge returnedto the wharf and the second chain was rigged out, one anchor at a time.First the inboard anchor was rigged and secured over the stern, followedby the outboard anchor. In the late afternoon of the same day, the bargewas towed out and this second chain was installed. As the installation

was nearing an end, it looked like the 2 1" chain was wrapped around theinboard anchor and fouled. The installation process had too muchimplanted on the bottom with no pick up wire.

9. At this time, answers to the following questions were needed: (a) wasthe riser tight or slack on the bottom? (b) could a diver see the in-board anchor's crown to tell if it was fouled? To get these answers, thebase divelocker was asked on Wednesday (19 Nov 1980) to provide the neededtdivers to go down and look for the sinker and anchor and determine straight-ness of the chains. The divers were instructed to photograph anything theycould see. The divers reported that the sinker must be under the mud as theriser was tight and went straight down into the mud and they could not seeany part of the sinker. The divers also said that they could not see any2 ' chain or anchors, and that visibility from 4' above the bottom was 0.

*This lack of visibility indicated that the bottom was indeed very soft onN* top.

10. While the dive was in progress, the third chain was being rigged on .the PWC barge. After the divers moved off, barge preparations were madeto install this chain. It was planned to back down full with both tugsand pull the sinker/buoy back to the middle. The pilot was to use themomentum of the tugs and barge to try to pull the sinker loose. Two thingswere wrong with this procedure: (a) the barge was pulling directly againstthe first chain and could not move the sinker; (b) the chain was only secured

p. with a pelican hook attached to a 5-part block and not to a padeye. During *

the surging motion the holding pin in the 5-part block was overstressed andbroke.

11. Pulling the buoy back to its' intended location was abandoned, and thebarge was lined up to install the third chain. The tugs backed away fromthe main buoy and the inboard anchor was lowered to the bottom. As shownin Figure 7, this anchor was installed on the wrong set of anchor markerbuoys. If the second chain of this pair were to be laid using the othermarker buoy, the chains would cross at the spider plate. This crossingwould violate the quality assurance requirement that the chains be straightand tight. To avoid this, the anchor marker buoys for the short chainwere resurveyed in on the east side of the present third chain's position

board..,~.L.. l

base*dlvelocker *as asked o Weneda (1 -o 190 to.....v ......he.needed

POLARIS POINT FIGUREZ7AS-BUILT SKETCH

-oURTh c ain)_ !~irst shotcan

/ FIRST CHAIN

.*o" :.'J

o 0 DESIGN ANCHOR MARKER BUOYS

DESIGN POSITION OF CHAIN

.5 A RESURVEYED ANCHOR MARKER BUOYS

APPROXIMATE ACTUAL BUOY POSITION

"'" APPROXIMATE ACTUAL ANCHOR POSITIONAPPROXIMATE ACTUAL POSITION OF CHAIN

,. .. 11 i}

and this third chain was left as installed. (See Figure 7.) With the mainbuoy moved off center by the first chain, relocating the markers, as shownin Figure 7, appeared to bring the angle between legs back closer to 120degrees.

12. The first of the shorter chains was rigged on the PWC barge during themorning of Thursday, 20 Dec. As the rigging progressed, it was noticed thatthe sinker shackle holding the inboard anchor to the ground chain was

attached

incorrectly. (See Figure Ba.) Using the method of attachment shown wouldcause the chain to become kinked at the sinker shackle during deployment,resulting in inboard anchor rotation. (The rigging procedure used on thefirst chain and the observed orientation of the inboard anchor while under %tension during the installation of the second and third chains, indicated that,the sinker shackle was connected correctly on these chains.) The riggersremade the connection, the correct way, as shown in Figure 8b. The designlength of this first short chain was 387 feet, but actually measured 396 feet.To avoid the possibility of anchor interference, the chain was cut to match

-- the design length. This first short chain was put in that afternoon withno problems.

13. On Friday morning, three tasks progressed concurrently: (1) thesecond short chain was rigged on the PWC barge; (2) the surveyers wentout to resurvey and install the anchor marker buoys on the east side ofthe third chain and also a new center marker; (3) a meeting was held with

. Ed San Nicolas to discuss picking up the second chain. The rigging of the-' second short chain progressed normally, with extra emphasis placed on the* correct sinker shackle attachment to the inboard anchor. At the meeting,

CHESDIV expressed concern that the inboard anchor on the second chainmight be fouled. That morning, it was agreed to sweep for the second chainafter iustalling the already rigged second short chain on the anchor markers ".

the surveyers had just implanted. (See Figure 7.) A 9 kip stockless anchorwas to be used for grappling, being pulled with a 2 " chain that was to beused as the last short chain on the buoy installation.

14. On Friday afternoon the PWC barge was towed out and the second shortchain was laid using the newly surveyed anchor marker buoys. The bargereturned to the wharf 'nd the 9 kip grappling anchor was rigged. Whilethe rigging was in pro- 'ess, a 34 foot length of " chain was painted witha yellow marker every foot and a red marker every 5 feet. This chain wasto be used in measuring the height of the buoy during the lift operationplanned for Monday. After the rigging was completed, the barge was towedto the second chain's position and the 9-kip grappling anchor deployed.Three futile attempts were made to snag the 2 inch chain in question.Iwas felt that the 9 kip grappling anchor was not going deep enough to

reach the chain between the two anchors. At this time the Naval Station

went to Tropical Storm condition 3 and the tugs had to abandon theirparticipation in the operation for other duties.

~ ~~FIMIRE ."'.,

SKETCH OF WRONG SINKER SHACKLE CONNECTION

I AFTER THIS ISDEPLOYED IT WILLBE KINKED AT THE

SINKER SHACKLE SINKER SHACKLE4 -b

2.5" GROUND CHAIN

INBOARD ANCHORTO MAIN BUOY

SKETCH OF CORRECT SINKER SHACKLE CONNECTION

SINKER SHACKLE

2.5" GROUND CHAINTO MAIN BUOY _

INBOARD ANCHOR

*". . .. ... . .. 21

15. The tropical storm went north, missing Guam completely. Because theharbor was secured for a possible typhoon, it was not until late in themorning on Monday, 24 Nov. that the PWC barge was returned to the wharf.At that time, a 13 kip grappling anchor was rigged to sweep closer to thebuoy for the 21" chain in question. As one of the tugs was down for theday, the only boats available were one tug and two pushers. Using theseboats, the sweeping procedure was tried three more times, but again PWCcould not snag the 2 " chain. It was decided to leave the 2 " chain inquestion as installed because: (a) the relative location where the inboardand outboard anchors were installed, indicated that in all probability, theentire length of chain was used and tight; (b) the only way to retrieve thechain would be to lift up the buoy high enough to detach the chain inquestion, but this procedure would destroy the mooring. The barge returnedto the wharf and the PWC riggers started to rig out the last chain. Nightwas setting in fast and the attachment of the sinker shackle to the inboardanchor was the last thing accomplished that day.

16. On Tuesday morning, while the remainder of the last chain was beingrigged on the PWC barge, the lift procedure, and the results expected fromit, were discussed with the transportation department. CHESDIV explainedthat the results of numerous calculations had been plotted to show the force

- needed to pick up the buoy to various heights depending on how far the anchorsmoved in from a completely tight condition. (See Figure 9a.) Knowinghow high the buoy was picked up and the approximate distance the anchorsmoved in, Figure 9b could then be used to find the force that was felt by .

each anchor. These two graphs (Figures 9a & 9b) would be used by CHESDIV* to give an idea of how tight the mooring was. At the conclusion of the

meeting, the PWC barge departed to install the last chain.

17. Because the barge had been maneuvered around by the harbor pilot toline up with the marker buoys, the chain was not straight. To make certainthe chain was straight, both tugs were going to pull back full while theinboard anchor was secured to the barge. During this pull, the inboardanchor became detached from the 2 " chain. The YD was then called overto pick up the anchors and chain to see what had happened. It was dis-covered that the anchor joining link (see Figure 10) was not on the anchorand also not connected to the sinker shackle that was still on the chain.There were no parts of the anchor joining link left to tell what had . -

happened, and no attempt was made to try and recover the pieces from thesoft bottom. The anchor joining link and sinker shackle were replaced andthe anchors were again rigged to install. The last chain was installedlate that afternoon. The YD, used to retrieve the anchors, was kept onsite and now moved into position -to perform the buoy lift. At this timethe tugs departed to do other work. It was then ascertained there were noshackles on the 100 ton YD, with a rating above 35 tons, that could be

* LIFT HEIGHT vs TOTAL VERTICAL FORCE

(CALCULATED USING THE CATENARY EQUATIONS)

20SE 4 000 80 10A2A10-

TOTALR VERTI000 4OC (KPS

(CLCLAE USING THE MAEAYEUTOS

9-4 +4

20 40 0 80 10 120 140

-TOTLIHV HORZONTAL FORCE IN GROUND HI AR(IG

-~-- (CLCULATCAPACIY OF CANARYO EQATONS)=. K

5 . . . .. . .. ....* .* .. . .. . ..

LOCATION SKETCH OF THE ANCHOR JOINING LINK

THAT DISCONNECTED DURING INSTALLATION

EMPLACEMENT CHAIN

INBOARD ACHOR ANCHOR JOINING LINK THATDISCONNECTED

rigged to the 200 kip dynometer. A search of the 120 ton YD and the PWC

barge only produced more 35 ton shackles. Because of this, the lift was

performed using the 35 ton shackles up to a maximum load of 85 kips. The

buoy was raised to a maximum height of 20 feet, and returned to the water.

(See Figure 1i.) The height of the lift and the loads attained are

recorded in Table 1. When this data is used in Figures 9a & 9b it

indicates the mooring is tight. All the quality assurance requirements

were met and the mooring was successfuly installed.

T. 0' oyle

Copy to:FPO-lFPO-1CPFPO-1EDFPO-lEAFPO-lEFPO-lED7Daily

FPO-1C6

RIGGING OF DYNOMETER FOR BUOY LIFT

100 TON CRANE HOOK "'.?

35 TON SHACKLE O200 KIP DYNOMETER C

LINE TO HOLDMEASUREMENT CHAIN

IGINAL WATER LINE ;iiI S 0.5" CHAIN USED TO

I - MEASURE HOW HIGH

LIFT HEIGHT g THE BUOY IS LIFTED

I 3.5" RISER CHAIN

. . . . .

-, I'.____ _____..._

-. ~18"'.

77 -A -J 'LW WP- -) I; -.- W -WV L -

TABLE 1DATA FROM THE BUOY LIFT

LIFT HEIGHT(FT) DYNOMETER READING(KIP)

2 156 156.5 307.5 478 50___

15 6018 702U 85

J!'i DEPARTMENT OF THE NAVYNAVAL ELECTRONIC SYSTEMS COMMA4ND

" WASHINGTON. D.C. 20300 IN REPLY RNFI[ TO

PME-124-612:LLSer 639C

SEP 2 4 1979From: Commander, Naval Electronic Systems ComandTo: Commanding Officer, Chesapeake Division, Naval Facilities

Engineering Command

Subj: Proposed Task Assignment for Design of C-C Class Mooring" Buoy

Enc1: (1) FY 1980 Task Assignment and Milestones

1. Enclosure (1) is a proposed task assignment in support of theUndersea Surveillance Program being implemented by the ProjectManager (NAVELEX PME-124). The nature and scope of this task hasbeen mutually discussed previously.

2. For planning purposes, Fiscal Year 1980 funds in the amount of$24,000 are budgeted for this effort. When funds become availablethey will be authorized by separate correspondence. This letter doesnot authorize expenditure of funds against this task prior to receiptof an official funding document. When the authorized funds have beenexpendsd, work must be terminated and no further changes made againstthis task.

3. Within ten days after receipt of this letter, written confirmationof task assignment acceptance is required by PME-124. The acceptanceletter is to reference this letter. If the task assignment is acceptedwith reservations, all qualifications or modifications must be includedin the acceptance letter. It is to be assumed that all qualifications/modifications stated in the acceptance letter are concurred in by PME-124and work will proceed accordingly unless notified in writing ten daysfrom the date of receipt of the task acceptance letter by PME-124-10.

4. Requests for changes to task schedules, funds and scope are tobe addressed to PNE-124-10. Any reprogramming of funds or redirectionof effort must have prior written approval of PME-124-10. Approval tosubcontract any portion of this effort must be obtained from PME-124-10prior to subcontract award.

Copy to:PACNAVFACENGCOM (09A)

FY 80 TASK ASSIGNMENT & MILESTONES 1Task: Design of CC Class Mooring Buoy

Ref: (a) NAVELEXSYSCOM ltr PME-124-612 Ser S198 of 12 Feb 79(b) Foncon CDR D. Wells, NAVELEXSYSCOM PME-124-612 and

LCDR J. Stamn, CHESNAVFACENGCOM FPO-1 of 14 Sep 79

Background: By reference (a) CHESDIV (FPO-I) was tasked to conducta feasibility design study of a ship mooring capable of sustainingtyphoon conditions. This study resulted in a preliminary design witha modified C-C class mooring identified as the best choice to meet thedesign conditions. The preliminary design study determined that themooring, due'to its location in shallow water, could be susceptibleto failure from dynamic loading conditions. It was recommended thata ship mooring buoy dynamic analysis be performed to quantify thisproblem and to take positive steps in the final design to eliminate

all failure modes resulting from dynamics. By reference (b) it wasdetermined that the cost for the dynamic analysis and final configura-tion design is estimated to be $24K.

Objective: The objective of this task is to develop a final design fora C-C class mooring to meet the conditions delineated in reference (a)and to provide that design to others for procurement of components andinstallation. Additionally CHESDIV is to provide consulting and qualityassurance services to PACNAVFACENGCOM during the procurement and instal-lation phases.

Milestones:

Preliminary Design Report to PACDIV 15 Oct 79Initial List of Mooring Components for Procurement I Nov 79Final Design Complete 15 Dec 79Final List of Mooring Components for Procurement 30 Dec 79Installation Guidelines and Criteria 30 Mar 80Final Design Report 30 May 80

ENCLOSURE (1)

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COMNAVELEXSYSCOM WASHINGTON DC

- UNCLAS //N11000//

DESIGN OF "CC" CLASS MOORING BUOY

A. PACNAVFACENGCOM 140510Z NOV 79"

B. PHONECON FROM J. ESS AND S. LING {CHESNAVFACENGCOM} TO M. NAGAJI

t{PACNAVFACENGCOM} OF 30 NOV 79

C. CHESNAVFACENGCOM LTR FP.-IEE:MAK, 9591 OF 22 OCT 79 {NOTAL}

1. IRT REF A, REVISED MILESTONES FOR SUBJECT PROJECT AS FOLLOWS:

FINAL DESIGN COMPLETED 15 JAN 80

FINAL BILL OF MATEPZIALS FOR 15 JAN 80

PROCUREMENT COMPLETE

INSTALLATION SPECIFICATIONS AND 30 MAR 80

DRA'JIGS& COMPL.ETE

FINAL DESIGN REPORT PACKAGE COMPLETE 30 MAY 80

4 2. CONFIRMING REF 8, A FIRM LIST OF MOORING COMPONENTS WILL BE

F-ORYARDED AT THE TIME OF FINAL DESIGN COMPLETION SCHEDULE FOR

,- 15 JAN 80 PER REF C. IT WAS AGREED DURING REF D THAT

J. 0. ESS-. FPO-1ED, 'A3381 COPIES TO: 1I -- . .,-.P)-,.- .1E ' - V-0 .I3 DEC 79 FPO-IFD ."pO-',E rrIt.. .!AIY.

j..-l'c0. wi i ;'r, LC.r', , CEC - T . I g "" r-J: . _ :,:. ."'i" "' :::

: / "i ' JOhINT MESSA,.GE.'=0 .-' - - -: .. -:: I e ':.. . . . . ...... .- -

'I: -I__ _ _uuu ii-02_02_j.'.'337n1..' !RR .RR_ ______UU -

_ -Ut, _ _I.

'ITHE PRELIMINARY DESIGN AND INITIAL LIST REQUESTED IN REF A AND

SCHEDULED IN REF CaWOULD NOT BE OF VALUE TO PACNAVFACENGCOM. IoISTEAD,

TQ MINIMIZE THE PROCUREMENT ITERATION PROCESS BETWEEN DESIGN AND

AVAILABLE COMPONENTS, M. NAGAJI AGREED TO SEND CHESNAVFACENGCOII

THE CURRENT LIST OF MOORING COMPONENTS IN THE NAVFAC FLEET I1OOIRING .

INVENTORY. CHESNAVFACENGCOM WILL THEN DESIGN AROUND AVAILABLEHARDWARE WHEREVER POSSIBLE TO MEET THE PERFORMANCE OF THE SHIP/BUOY

SYSTEM IN SHALLOW WATER. ANALYSIS OF SHIP MOTION IN SHALLOW UATER

IS IN PROCESS AND PREREQUISITE TO FINAL HARDWARE SELECTION.

- o. .

-C - * % * . . ** ** . . . . . . . . . . - - . *./. . - t

y ~JOINT PAESS AGEFORM -. f0XERom icdo:kc Lma CLASS j Cie CZTi

nM1ESSA RR NHARI.IIIjN. lftr OIjII

,,,m CHESNAVFACENGCOM WASHINGTON DC

To, PACNAVFACENGCOM PEARL HARBOR HI

PWC GUAM

6NCLAS //Nllaaa//

ACNAVFACENGCOM FOR CODE 102

FIRM HARDWARE LIST FOR MODIFIED CLASS CC MOORING

CHESNAVFACENGCOM WASHINGTON DC 041734Z DEC 7 C

1- MOORING IS THREE LEG WITH TWO 2-25 INCH GROUND CHAINS PER L" :

AND TWO 25K-LB ANCHRS IN TANDEM PER GROUND SINKEW IS

r- LB CONCRETE POURED ON SITE INTO 4X7X7 FT SHEET IRON OPEN-TOP BOX WITHI* I

5 INCH DIAMETER HAIRPIN {DRAWING FOLLOWS}. RISER IS SINQL 3.5 INCHI- IA .X 45 FT CHAIN FROM GROUND RING TO PEG TOP BUOY. HAWSER ELASTICITY IS

IMPORTANT.- I

2. MATERIALS LIST PER REF A:

NO. ITEM FED. STOCK NO. QTY.

* I1- DOUBLE YOKE SHACKLE SAMSON SPM {14 iNCH-15 INCH- I

4 2 SHACKLE {100 TON} CROSBY G 2150/100 3

2 3 ANCHOR JOINING LINK

0 3 112 INCH 2C-4010-599-8928 i0 rUAM

1/15/80 f i~I EC rDEREDC. E- BODEY, FPO-1E, 33881 COPIES TO: P0-I.. 0-1A'' PO'IC "" ac 2C.. ....E~ ....- ,.E.338,,1FPO-1C6..FP -1E.. FPO-IEA..FPO-10D- .

I RIGRT, DR CEC, USN DAILY .ROUTE..0161{2}

CDI 'i 'D D ,._., 1 73 , { ' ,... - - .. ,-'

JOINTIMESSAGEPORM

PA RUBBIN CASTIN KZ4D!=~-L2

4 BUTY P/4 INCH F 4F NH 2C-00257L1 ,S~

8 CHAIN1v 3 1/2 INCH 2C-4D1D-262-2 98& 1# GUAM

9 JOINING LINK 3 1/2 INCH BALT P/N 82011-253=0 2

10 SWIVEL 3 1/2 INCH 2C- 4030-527-M?7

1ll GROUND RING 2C-2040-52?-031? 16 CUAII

12 CHAIN SAFETY SHACKLE 3 1/2 INCH BALT P/N UNDKN95 1 3

!13 SPIDER PLATE 2-00652R

!'-14 ANCHOR JOINING LINK 2 1/4 INCH 2C-4010-341-0.SI 310GUn

* '1 CHAIN 2 1/4 INCH {[90 FT SHOT} 2C-4010-240-1030 31r SHOTS

16 ANCHOR 25,00fl LB C-2040-272-2242 12 ill

) 6WITH STABILIZERS GUAMI

4 17 SINKER SHACKLE 2C-4030-27-W6 6 GUAF13:2 118 SINKER NO PART NO.i TO BE

0'' *CONSTRUCTED ON SITE I

I y-=;

NA-ETLE C, rPC~. A. M'.:I* .

DD 173 '-

jrwCwC IVA- o- -.7JOINT MESSAGEFORM Y 3I ~Cu~a Dil ' Lm+" '''t

3 c-4 01s120a IRR ;RR uUUU

NO. IT-El FED. STOCK NO. QTY-

19 SWIVEL 2 1/Y INCH 2C-4030-527-&664 6

20 JOINING LINK 2 1/4 INCH 2C-4010-391-0542 24 {7} GUAM

21 PAINT, PRIMER 8010-437-6757 10 GALLONS,.-

22 PAINT, WHITE TOP COAT {ITEMS 8010-421-2435 5 GALLONS

24, 25 PER MIL-P-24441}

23 LOCK WASHERSi 3/4 INCH G5310-013-8506 4

24 SHIPS HAWSER, SIZE SAMSON 2

I 4 1/4 150 L-F- EYE

TO EYE, WITH SAMSON SPM

I STAINLESS THIMBLE EACH END,.

2 IN 1 NYLON LINE {13 INCH

CIRCUMFERENCE}

{N} INDICATES PARTIAL QUANTITY AT GUAM

MIN. SPARES ARE IN ABOVE QUANTITIES.

6 3. ANCHORS ARE NAVY STOCKLESS WITH STABILIZERS AND WITH FLUKES WEDGED

4 AND FIXED AT 45 DEGREES. EACH TANDEM SET OF ANCHORS MUST HAVE TOTAL3;2 WEIGHT OF 50,000 LBS {25 PLUS 25} OR {30 PLUS 20} OR {30 PLUS 25}.

,-4. MOORING SITE IS APPROXIMATELY 500 FT EAST OF EXISTING 25N/25S

f T%I0'

%D O. ----

. .4 -

. .. .. ,-,, .i.d.

i i-..i i / i

• - " . .......................

JOINT MESSACEFORM

ACT E .t ITh%?i IrL.: '

-04 i-04 101,._ o RR RR UUUU -

* V -S6A05 4AN.U'An 1INSTqJc'iQNs

I .LOCATIONS. m5

5. INSTALLATION R9EUIRES DIVERS., lIaa]i LB HORIZONTAL PULL TO SET

ANCHORS AND 40,000 LB VERTICAL LIFT ON SITE. DETAILS WITH SINKER

SKETCH AND CONFIGURATION SCHEMATICS FOLLOW WITHIN TWO WEEKS.

6. CHESDIV CONTACTS ARE CODES FPO-IE AND/OR FPO-IED.

* I I,

DD D 173,

- - , , ,. _ ,- ,- ..-- . . , - • ,... . . , -. , - , . .... . -, -. ,.. . -. ... -. .. ,

FPO-IE:bw11000

From: Commanding Officer, Chesapeake Divaion,Naval Facilities Engineering Command

To: CorLxander. Pacific Division,- Naval Facilities Engineering Command

(Attention: Code 102)

Subj: EC-2 Typhoon Survival Mooring

Rot: (0 CUIESNAVACENCCOM Washington DC 161S5Z Jan 0,(b) C iESNAVFACENGCOI Washington DC 041734Z Dec TO

Enc: (1) Procurement and Installation Information

I. This is in follow-up to reference (a) to provide supplementary informationin support of procurement and installation of the subject mooring in Apr&-Uiarbcr.

2. The fial design calculations end anchor requirements analyes havebeen comtpleted. The design provides the elasticity and energy absorptiomcharacteristics required for EC-2 ship-survival under typhoon conditionsin the shallow water of Apra Inner Harbor, Guam. The tandem anchor re-quiremcnt reflects knowledge of sea floor characteristics from prior survey--and mooring inspections. It also reflects communications with Mr. R. S.Taylor of the Civil Engineering Laboratory (CEL) based on recent findingson the perfiirmance, of Navy stockleas anchors with stabilizerst in a tander4configuration.

2. The mooring configuration is a three-legged array with two Lrround

chains per leg as in a DM-26 Class CC mooring. Each Iround chainterminetei in a pair of tandem anchors. At the other end of the et% chainlcjfs, the termination is at a common ground ring. A single 15.000 pound(S%;) s inker is attached directly to the ground ring; and a 3.5-inch riuerchain connecte the ground ring through the hawse pipe of a 12 focA diameterpeg tp buoy t the cd link on top of the buoy. The hawser from the buoy

* tW the ship is a dual parallel nylon rope which is sized to absorb the pitchand hesvc motion tA an EC-2.

. .. . " -- ',-, .:, t... ..-. '... "." ." ',""- ". ".- - -'*'. .. . . 7 **- . • " .. . . "- -

FPO- IE: bw ."

SubJ: EC-2 Typhoon Survival Mooring 7 Am

4. Enclosure (1) provides:

(a) a copy of the Bill of Materials (B/M) for the mooring

(b) a sketch which identifies the components and their locationin the array

(c) preliminary notes on Installation Support Requirements

(d) catalog cuts (Samson, Baldt, and Crosby components calledout In the B/M).

5. The mooring location is approximately 500 feet east of the existing25N/25S moorings. This accommodates the watch ircle of the free-swingingEC-2 and potentially meets the sea floor sediment requirements for anchoring.The maximum watch circle radius of the buoy is 180 feet at 200.000 poundshorizontal load. Ship length adds 430 feet to this swing radius.

8. Anchoring verification test (s) will be required at the new site to validatethe tandem anchor holding power at the site. The test (s) could be accom-plished with CEL in March during their soft-soil anchor tests at PWC Guam;but these details have not yet been worked out by CHESDIV FPO- 1.

7. The calculated coupled pitch and heave at the bow of the ship is estimatedto be + 3 feet. The minimum water depth is estimated to be 28 feet with lowtide and a five foot allowance for storm surge. Therefore. the ground cleaw-ance of the bow to the sea floor in expected to be about five feet assuming20 feet of draft on the ship. I

8. Additional details including a sinker design sketch will be released by31 January 1980. For answers to any questions, please contact CHESDIVFPO-IE and/or FPO-IED on Autovon 288-3881.

C. E. BODEYBy direction

Copy to:PWC Guam FPO- 1 PP-1eFF0-i FPO E "~l;, ., :: IPO- IA "P0- E~r Route•PO- 1CP 0101(2)

* .-.. ' . ., -.- •;..- - ' -''. -'',.- -- -- ..,. -"-' -" " . ,'." . .-.,- ." , , ,--".S, -. -" .- . -. -. ,.- .-,-.-,.'

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Project c-uv -'otItom No. %_ _

~ ~s'iDate I- S Ba St No.-

'12" F '5VA".Le-* 311zAJL

suoY P-&,OP E5W 2C- 20-50-2-75-7661

-c. uA " tr rocz - c, cD co0 v Ti 0 Q

wik tA Cn530G-1~-7 cojo

45' 317' C 14A I L FS"- 2C -4clo - '26Z -Z5B4UAM~ 5Yroc&e-rwoz~ comTlom

.5112 Abrciwoejl$ AWXc L ~Z Jko'~5

£'/2~~~~~5/A.3 L..~iZ~/fA~ L yI

J~OI3E ,EPIDE-R PLT RI.1AFT

* 4Ack -oE *0#IWG2 I,3

_)7- Z4~ i*S WL: I'cTo 0

211 c.wE:"A-YL.

2144C410 - W1114 7-

* Project nON- AP2A qfl !q )-6c %% Itemlo.___

* Description La !-Ce IU l03N -14-50 Sima NO. J/L..I

-2 '14% ~~k cla-L Ib±I L

C-U CLZC6 O..~C -Ljj ,Z

f.n),(ylu LA4.- pe Q=6fA.&6:!= f I

non Aak.u

"FA -'I L,? n-a , o.~

r&.!l .5y > 1,7 u -A U4i -k1 NL-- l.

_____ ft- I5 is4 --.

-~. __ __ (3 -) % 0

-~~~~ .1 A i (.)..~

SG-2130 S-2130 G-2150 S-2150G-210 S-210 G-215 -S-215 Boltlype anchor Solt type chain shack-

Screw pin chain Round pin chain shackles with thin les. Thin hex headshackles meet Federal shackles omeet Federal head bolt - nut with bolt - nut with cotterSpecification RR-C- Specificmion RR-C- cotter pin. Meets Fed- pin.271b Type IV Class 2. 271b Type IV Class S. eral Specification RR-

C-271b Type IV Class6.

CHAIN SHACKLES-ROUND PIN & SCREW PIN.

/2 1/4 2/g 132 1/6 1/1 s 1.10

6 / / 1/,. % l/Y 1 2'!~ 3.20/-2 I, 1 17/" 111 V1 1/ ,, .61331, 1 V4 1'/3 1/4i Vi 7116 3'/3 l.25

31/4 2 = 1 4 1 U 21 .21

9 , 1 3'/,. 1 =,. /4 . /,a 1 .I 2% 6.3012 1V,. 315,/m 2'/3, , '/. 1 3 924___13/ 1V 46 2/ ;14 if, 3% 12.19

17 1/2 -4% 214 4 Vs 1% 3% 16.1525 13 SA 2 1,,;- 'Ye 2 4% 26.96

35 2 6% 3/ Y %s 2'4 5 39.35*55 2'/2 8 41/4 Y 4 23 6 71.00

* Furnished in Screw Pin Only.

BOLT TYPE ANCHOR & CHAIN SHACKLES

ca ,_ . Siz _e-- dt- iu,

2 V 2 ! 1% , .. I /as,, , I '/ y, .79 .753 '/ 5 24l 2 I'As , 1'A. s 1 AA 1.60 1.47

43 / 21!/#_ 2 1 V 76 1 / V4 'A,& 2.72 2526-- 7/1 311,;g 23A 1A1 1 211b V4 3.95 3838'/2 1 3% 33/,, 1W 1'/ J 2% V I 6.12 5559,/2 1 . 4, 3_ /is 1 K4 2% y, 8.27 .60

12 1 4,,,, 3,,, 2!62 1 % 3 /4 'A& 11.71 10.81131/2 1 A 5Y& _I 4,% 2, 1 35/ v I 15.83 1426

17 1 V 5A 4% 2 1% 3% 4 Vs 20.80 190325 1 7 52/ 2/6 2 4% ___ 33.91 31,4035 2 7V 6% 3 2,/ _ V. 51.75 45.0055 2Y iO'b S 3 k 2 6 1 101.59 8359

85 _3 13 6 a,% 5 3% 6'A , V 4 178 13900-120 3 'A 14% - 5/4 3 / 8 4 4 265 -

150 4 14i4 - 4 9 338 - ""

NOTE: Proof Load is 2.2 times Ihe Safe Working Load. Minimum Ultimate Load is 6 times the Safe Working Load.

. Furnshed Anchor Shackle only. Crosby 1 I

:- / :L -. '::., .::..:../...........'....'.. . .. .-.-...-.-.--.- ,...'.-.-..-...--.-.-..--..--.......,.-..'. .-..-..--. .'..

K " SamsonSPM

1 -IYV x Stainless

* FOR ROPE SIZECIRC. DIA. WL, Le. A a C D F K W X T cONSTRUCTION

11--13" 3% -4Y4- 105 6"h/' 10M' 21' 13" 18" 53/14" 6* 31' 3 "

14'-15" 4%-5" 135 10 15 26 19 24 6 7 4 4"Is

16'-18" 51/4 -" 250 12 18 311/4 211/2 28/4 7n/4 81/4 5 5% S = roo

19'-21" 6'1"-r 500 14 21 38 26 34112 8 /2 10 61/ 7% a nls at", ' Type 304.

22"- 25" 7n/4"- 8'4" 700 17 25 45 32 42 10 12 73/4 8 f8261-/30" 8 -10" 1000 20 30 54 41 51 12 14 9 9 _ __

6"- 6'" 2"21i. 8, 3 5% 9V 6 8% 2/4 2, N.ae""7"-8" 12%/,"- 234" 20 4',,. 7 125/. /, 11 2"/ 3s' 10*. , c.'18%' -10"2%. - ___ T'-" 4115 18/ Se. o1

1%3 41 51 8143 15'/3 10% 14 3 42 b 0-24480 (sM-.

Note: Also available in high strength Dura-Steel. Specifications available on requesL Sizes 11"w-30w only. r. *Without Retaining Ring

, :. :"SamsonI -

++ QuickQangePlateThiinble

ROPE SIZES

CIRC. A B C D E F14'- 15" 27" 32Y, 12 5 41/ 37,,

16"•18" 32 40 13Y, 6 5 4

19' - 21' 37, 46 167, 74 5% 5

" 0 Heavy-Duty-C D

_ -E Shackle

FORTHIMSLE WT. SWLMv CONSTRUCTION

SIZE LOS. A I C D E TONS

6" -6Y2" 27 11/2 1 4 3 6 33/ 207-8" 30 11/ 1 V 4 7 4 20 Forged of 4340 AlS1 Steel. Exceeds

" Grade 3 strength requirements.

81/z - 1" 6 2 2/4 8 35 Shackles include pins with two safety nuts,V1- 13" 130 21/2 3 7 10 61/2 60 secured with cotter bolts to prevent backing

14"- 15" 175 3 3Y2 73/4 12 7 85 out.16' - 18" 300 31/2 4 94 14 81/4 110 Larger sizes: Availaoe upon request.

S1 00 2 2 1 8 Available with one safety nut if preferred.19*-21 400 4 41,4 11 16 91/ 130 AOther types and sizes available at standard

S22"- 25" 550 4, 5 13 18 101/2 155 costs.26"-30- 750 5 6 15 20 12 235

("Safe Working Load, Short Tons. Proof Load 1.5 times SWL, Breaking Strength 5 times SWL (minimum).

Samson SPM

xG'DoubleYoke

A Shackle

- .--. .i

ROPE SIZES MAX LINK SIZE" - CIRC. A B C D E F G

11" -13" 22% 21 8 9% 3, 3 12 314"- 15" 25% 254 9y 11Y 4 31, 3 3',;16" • 18' 32/, 311;/, 12. 14X 5X 5% 41/ 5%19- 21- 42g 37 15% 17Y. 6% 7 5% 6 r

----. -. ~---"z*

Samson Braided Rope Selection Guide24in-1 NYLON POWER BRAIDOwsed N and Welbraded Nylon coe. Braided Nylon cover over braided Mf P Polypropylene cae.

special Features: Special Futures:.= ihSt 1lnghK3 size for sire, to Z.133.000 lbs. e Neutrally buoyant in selt water.J* ea=oeItetch. Up to 50% less than twisted or plaited. e Specific gravity of 1.01. Avaiable with .99.

IPA more than Power Braid. Stable Braid, or Dura.Plex. o Abrasion resistant nylon cover.*Specified by U.S. Coast Guard. Canadian M.0.T., and U.S. Navy. N ighest strength rope using polypropylene.

*Specific gravity of 1.14. LiUght weight, high strength to weight ratios.

Ceforrns to U.S. Mil Spec MIL-2-240606. dated 7 August 1973. * Ientified by blue stripe. Can also be color coded.e Conforms to Canadian Spec 40-IS1 Type 1/NOT. *Conforms to Canadian Spec 40-GP-16 Type 2/MOT.NSATO Glass 4020 Supp. 1972. -NATO Class 4020 Supp. 1972.

2-in-i STABLE BRAID OURA.PLEX(I)- ~ -u- NYON hi-1POWR BAID (Palyeter.Polyester) 12-STRAND BRAID

S (Ny11*Njlon) (Ny1wPn~propyIkie) with DURDN (Polyestr-Pelylein)

1/' 3/4' 2300 1.65 2.300" 165 2.=0 2A0 1.90 VSSAS," 10 3.40 2.5 341006 2.5' 3.400 3.0 Z600 2.4&J3- 1-48 4"90 3.7 4,40 3.3 4,00 4.4 3,830 3.5

7/15" 1-1/4' 6.600 5.1 5.90 4.5 6,60 6.0 5,200 423*1/2' 1-1/2" 3,50 6.6 7.600 539 $ISM 7.9 6.700 6.0

9/16" 1-3/4' 11,700 9.0 10,200 3.2 11500 10.7 9.000 &.154" 2IS1,=0 12.0 13,000 10.4 14,600 14.0 11,600 10.63/4" 2-1/4' 19.100 15.0 16,400 13.2 13.400 18.0 14.500 13.5

13/16" 2-1/2" 23X50 1I.0 20MO0 162Z 22600 22.0 17.700-

*IN 3" 33.601 26.0 2300 23A 31400 32.0 25,00 24A01-1/16" 3-1/4' MW36 31.0 33.000 27.5 36,500 37.0 29,100 211.01-1/2" 3-1/2" 45000 36.0 33i00 32.0 42,800 43.0 33,500 3L.61-1/4'" 33/4' 52.00 41.0 43,400 37.0 43,00 49.0 3S,20 37.41-5/16" 4V 59.0 47.0 49.000 42.0 54,40 56.0 43.200 42.51-1/? 4-1/2' 74,00 60.0 61,30 53.0 681000 71.0 514"D0 54.2-5/8' So 91,60 74.0 75.000 G5S0 310 150 66,000 67.01-3/4" 5-1/2" 110,00 39.0 90,000 79.0 100,200 106.0 79,100 31.0

2" 6" 131,000 106.0 106,000 94.0 117,800 126.0 3,30 96.0I2-112" 6-/2' 153,800 124.0 123,000 110.0 137,000 141.0 10900 112A 02-1/4A7 177.06 144.0 142A00 127.0 157,00 172.0 125.00 130.0 -

*2-1/2" 7-1/2" 2,00110 165.0 162.000 146.0 110,00 197.0 143,000 150.02-/"' 8" 230,00 118.0 13100 166.0 200,000 224.0 160,000 170.02-V4' 8-1/2" 257,60 212.0 204.000 183. 223.000 253.0 180,000 192A0

3" 9. 21,=0 23380 227,600 21L* 25000 234.0 =0,600 215.03-1/4" 1IV 32Z=00 294.0 276,000 260.0 230,000 350.0 244,00 265.0

*3" it. 3400 356U 329,00 316.0 336.000 424.0 290.000 321.0 -

4" n2o 4514000 423.0 31700 374.0 31011000 504.0 337,60 S32o(~i." 3" 5236~ 497.0 461,000 92.0--

*/11" 14" M,6= 576.0 Large 531,60 466. - -so is. 6110,00 662.0 Sizes 40660 7331.0 - -p

5-1/4" is. 766,60 753.0 Through 30" Cir. 61851000 396. - -* ./" 17. 856M60 350.0 Available 763000 1,012.0 - -

6 " 956,60 353. blood 357,600 1,134.0 - -

-14" 9" 1,60%60 1,661.0 on9M0 1,264. - - .-

6-1/2" 3" U.I00M 1,176.0 Speifc 1,050,00 1,400. - -

7" 21" Ix""6 31.70 OIr y 1,110,6000 1,544.0 - -

a u 145~u 1,601.0 and Strength 1,3060 216.0 - -

-~ l'3-/" " 147,601 1,937. bqul a'snI 1.440.0 2,366*-* 6.14" 3" 1,34,66 2,350 1,640,00 21144.0-

ir 3r 2M83M0 2,646.0 1,350,00 3,15* -

(1) Al Tensile 1110t ka for New A leder test conditions Strengths WAn weights wre Appreutimatle Average Ny"o Cover Nyln Core

BALDT CHAIN SHACKLE ROUND PIN TYPE

I-.--IRA 80CEsize £ U~* ~ WI SAFE

* I ~ INCHES UNLIS. LOAD

1 25 3% 146 31 111I.v 2% 1 6 8.5

A1114 32 4%/ 2Yjr 4'J1 Yu I% 3 1 11 12111, 38 5,Yto 2% 5% 1%/ 3% 1 V2 19 17

D2 51 7/8 31/ 7% 2% 5 2 45 3521A, 64 9% 4 911. 2% 6 211* 84 .. L5..13 76 INS 5 11 3A/ 61, 3 139 35V2 8 '/ 9 12% 51/. 12%1 34 S Us1 241 120

=4 102 19 53/ 13% 4 9va 4 339 15O

BALDT CHAIN SHACKLE SAFETY TYPE

SHACKLE SIZE JSAFEA- INHE C IF a WEIGHT =APKIN

*1 25 3 11%6 3"As 1'/, 2% 1 6 8.5

11/. 32 4% 2'Mj 49vu 13 3 1 1 1211/ 38 5%As2% PI a 3 11/ 19 ~17

2 51 ?'/@ 3 / 71/4 5 45 35

D2'!4 64 9V 41. 9/$ 2% 6 2 3z 4 553 76 love. 5 11 3V. 6 M 3 139 Is

-31/ 89 121' 31/ 12 V. P 8 V 241 120= a4 12 19 W. 5T 1334 4 91'a 4 339 150 a15 V. 41/z/a 10'.4 4 466

41/ 14 22 61/ 19

--. 4......

A%. -,L 4q ,%j'' **4 .4, *r-.'v* -................

- ~ 'X~fW'PJV~"h~ ~'5* 1*~J~ ~ - ~ - ~

-. *..~ ~. *7 ~

.A*.~-." ~ .* . * *

Yrom. Comanding Officer, Chesapeake DivisionNaval Facilities fntlaering Coanatk

To: Comuaner, Facif ft DvisionNaval Facilities raineeriza Com.nJ(Atteutiou: Lode 102)

SubJ: LC-2 Typhoon Survival Heoring

Ref: (a) CHESSAVFAC CO4 Itr FO-I1:bw, Set 11000, 17 Jar. 1980

1ncl: (1) Sinker Desin Sketch(2) Quality Control hequirewnte(3) luccallation Scenario Outlive

I. Il ial procareneat and inetallation information was provided viarefere..ce (a). Sinker design per reference (a), para 8 Is provided as• aclosure (1).

2. Quality co. trol requirements (enclosure (2)) and en installationiscut irio outliua (enclosure (3)) are provided to be used as a basis for*rocurccscnt swl installatlo.. The importancn of the f (unctio, W4sreuccly found to be extrecely Iportant in assurin.1 acceptable qualityof available hardvare from ,avy stock for a usiilar critical ze., toorin-.

J. A. STA.By direction

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I . !SEC-2 Typhoon Survival Mooring

QUALITY CONTROL REQUIREMENTS

1. Fit and Function - The parts listed in CHESNAVFACENGCOM msg

161651Z Jan 80 are selected based on DM-26, July 1968, Change 1.

Each component is sized to meet the functional requirements of

the mooring and to fit the dimensional requirements for the inter-

facing of components. Manufacturers have changed dimensions of

some mooring components from those of DM-26, FSN listings. Each

component of the mooring m.ust be checked for interface dimensional

compatibility when rccently manufactured commercial and "or equal"

components are used. Ref enclosures (2a) and 2(b).

2. Non-Destructive Testing - The NDT can be visual, ultrasonic,

or magnetic particle testings whichever is sufficient to assure the

required quality and to confirm structural integrity. Inspection

-' results shall be recorded for specific components stating general

observed conditions, measurements, and any photo documentation that

is performed. It is requested that copies of results be forwarded

to CHESDIV Code FPO-l. The NDT requirements are specified as follows:

A. Buoys: Visual inspection for structural integrity.

Ultrasonic testing for plate thickness at

suspect weak spots. Magnetic partical testing

of wclds for cracks. Refinish as rcruired.

B. New chains and connecLin,, hardware (shackle:;, swivels,

joining links, anchor joining links, ground rings,

spiders)

'ECLOSURE (2)

S*....... . . ..

I• 1. New items with manufacturers quality control

certification indicating conformance to Navy

specifications require no NDT.

2. New items without quality control certification

require visual and dimensional verification of

conformance to Section 4, NAVFAC DM-26 (enclosure

(1)). A 10% sampling rate is acceptable. If

any components are rejected from a 10% sample,

all of that batch of components shall be in-

spected or acceptability.

C. Used Chains and Connecting Hardware:

All used components that show more corrosion than light

rusting shall be untrasonically, or magnetic particle in-

spcct.:d to assure structural integrity.

1. Chai'. and connectors require visual inspection

on all items and a 107, sampling ratu on dimensional

mCasuremcent of wire diameter and linkage size.

Items with a wire diameter reduced to 0.90 or less

of its DM-26 nominal diameter shall be rejected.

A 2% or greater elongation in linkage length sha]..

be cause for rejection. Chain and co- nents

which show abrasive wear, cuts, nicks, or gauges

that are stress risers shall be rejected, replaced,

or rcfurbLshed by an approved repair process.

2. All swivels shall be checked for free movement.

Those that do not rotate freely shall be rejected.

'.t.2"'

Section 4.

CHAIN AND FITTING DETAILS

26-7-2 45

CLO S U (2t L)

TABLE 7-19 60.Perm,;3si~v Totonces for A-Links, Anchor Joining LianAs,

Joining Links, Shackles, Cround Rings, End Links, and Swivvlsl

'Wife diameter V'itedialn-iter. Widgh, Len~th. 2

of part plus of minus plus or minus PIU4 of minus

S/4 to 1.1/B 1/44 3/64 1/16 '

1.-3/;.; f.7 1-3/8 1/32 5/64 7/641-7/tS -.2 1-5/8 1/32 3/32 1/8

1-15/1.3 t a 2-1/3 3V64 1/8 5/322- V/16 to 2-3!8 3V64 9/64 11/642-7/16 to 2-7/8 3/64 5/32 3/162-15/16 to 3-3/3 1/16 1!!'64 13/643-7/16 to 3-7/8 1/16 3.,16 7/324 to 4-3/8 1/16 13164 15/64 Ilk1".1/2 to 4-7/8' 1/16 7/32 1/45 to 5-3./, 5/64 15/64 17/645-1/2 ta 5-7/8 5/64 149/326. to C-5/3 5/61, 1/4 9/32

k~lrjn~;, ~ anid Cenertal NL'!ea

T. I rittnes (a pi'.able t. * -19 En~d %inks~ .Oil b markedc on o-T nclz vi1, rnatn-

-- ... ' -*~Qi!- ~ ~ a:~. L:1f~c~c,, ainitial- ofr tradc-!rk -A:14a 1j f.i:t enr-l/Z; ~~~n nyau Mn; ~chii sizn, nad on -a.*cai.:ie

:,chr . *ia~c (~-.rM ~ o j.i~; ~ ~ ~nl ~ -- tel -pl!one b-my swivel .and rua.1 aj c.%-;tin,- de-

I ~ ... All mwldcii3 I sliall be rai~ed lo.ttrrs of fi.;u:et mfI- ;,cc Of d.n tie, a1 ;3c anchorfJ::~.a .iza,

.1 Ml. ia J.)~l!' lj(,caa*it*3 ~ by tht spce avail able 1but 11"t to r_1_

*rj / in. in, Leight by 18i. i lif. The snACeAel~te~ (O ra10C~t.4 shIIIbe pl"..4 hatc.rry a

minimum of stress and have a raav.-wn of wear.%IKr 'coveratll lentzh of sit A-lial-s, resu:*zA from GnrlNts

ev-rry t:*aird lieaa, shall not exc?-d 3/3 i-1. raorT or 1/8 eealNts

iffa -s pe ioa of~vie diaaeer han he ura .1All jninira3 links antl the smatll end of anchoar join.ire3 link3 hI have a trsh joinin.j with their dtsig-

"an t-*wlete-- 0141 IVt'& a, t- uni C~* ~... tilnatc.] A-1links, using3 A-Iin'~s of ailnizaurt widthi and

tat giht ~n1rs t e~s~ otha..-eth and ra-tsluin wifre diametrr.

-~~~~ t'Lj: . nufactureertt drz~ il a of cb,% in anal fittuiis --bsllb - t.Ulajct to tl-r approvasl of li:- NitV3i Facilities

- fs,' id a of t.t.erna.iv- A!r' :join :i ; ra a . a hor E;iaa-i-r nj Commialnl.1 .qirt:~s;zani link ('T.aco cn~a U~ i Jsa All iterns ate to be wtalaject t., Iroca ndbn',ts

* s~acde ~nd~v~e ~asI, be aar.e-t on one -.1ie lasas voted.

w r'a f aauIS.(i-Crta i~~ia t trajanisA, %;Z of All ell-63 -,Ott appendl a.m to be cas', wrl,. or"M.o.aI'd letiri YD). fo.:j..J Sleet of nire i~jCated.

*-e h.r liatle-1, pound1I tints F.'aarRa - SlIT meaIns %AI.l end type.A. el *.ia it. hma t. mr"ea %on tine !;Jr with Al thia anl cant .)nttin-d in %. tian 1, .1,

* i.a'u~iturr'ninitiAls or tt idemma~srnd a'n the cppo. follows, dullAI eonfo,.,t to %ll..C14.5 .!udC, ttrl-4sift SOId wif% the fltocl nuwibet. iClAain ana) Fittints f~r Fl-ct Mrsorinsta,16,111 Stren~vS."

26-7-*_:6

-. .. -& _'-o- . -... -. . ' ' " ;l '' +

TABLE 7-20Chain and Fitting Details, Common A-Link Clocin and Riser Chains1

I. AIAS A:. I

Poof eBreak Federal Federal _ iser _____Cha size estStock No.. Stock No ock No.(in.) Deit ()lt A-link ock No. o5 N Federal Length(lb) 011) o. -ik 90 it shot 45 it shot okN. ()

|'s$ 4.......... 840,o0 1,176000 . 1 q. 4010-270-1641 4010-270-1646 2050-227-0525 40ZILj,." 3-1/2 ...... 658." 9.1,810 Z p (Ak a.. 4010-262-2584 4010-262-2588 2050-727-0523 40I

3*. 3.......... 495,000 693,000 -,9. 4010-240-1036 4010-240-1041 2050-227-0530 40iA-3/4 ...... 420,660 588,930 . O I.. 4010-240-1035 4010-240-1040 2050-227-0502 40z

- 2-1/2 ...... 351,560 492,190 1 U7. 11,4 (q . 4010-210-1034 4010-240-1039 2050-227-0529 35t• , 2-1/4...... 287.930 403, 100 ..4. PP5. 4010-2-10-1030 4010-240-1033 2050-227-0504 30!

2 .......... 230.,60 322,000 .A1 ? Q.Q.. 4010-262-2592 4010-262-2593 2050-227-0503 25t1-3/4 .... 178,000 249,210 3.' .. .. 4010-262-25R5 4010-262-2589 2050-227-0501 25i1-1/2 .... 132.190 185,060 . .. .. 4010-240-1033 4010-240-1031 ............ ......1-1/4 ..... 92.910 130,070 .A .4 7A. 4010-240-1032 4010-2.|0-1037 2",10-262-9179 20.1.......... 60.360 84,500 ..-i. . .- 4010-26,2-2586 4010-262-2390 ............ .......4...... 34 6? 43, 50 . 1.'2 J." .... 4010-262-25117 4010-262-2391 2050-227-0521 15±

tFor per::?l .I*be tolerancs, maarking, and j:neodl notes, see table 7-19.

All Fetcst. :-took Nos. to have prefix 2C. K -/ -TAB3LE 7-21

Choi und Fitting Details, Common A.Link Chaini 1

4"...................24 14-3/3 2-5/16 4 2 2-3/4 1043-1.':...........21 12-5/8 2-1/16 3-1/2 1-3/4 2-3/8 913. 3------------ s 10-13/16 1-13/16 3 1-1/2 2-1/16 78

*2./.................4-1/2 9-7/8 1-5/8 2-3/4 1-3/f8 1-7/8 71-1/22. L/2 ............... 15 9 1-112 2-1/2 1-1/4 1-i1/16 65

- :1/4 ................. 23-1/2 B-1/8 .1-3/8 .. 2-1/4 1-1/9 1-1/2 59-1/22 ..................... 12 7-3/16 1-1/4 2 1 1-3,9 52

*1-3/4 ................. 10-112 &5s/16 1-1/16 1-3/4 70i 1-3/16 45-1,/21- 1 22..................9 5-3/8 15/16 1-1/2 3/4 1 Y1-1/14..................7-1/2 4-1/2 25/32 1-1/4 5/83 7/0 32-1/2I ................... 6 3-9/10 21/32 1 112 11/16 26

3/4... ........ 4-1/2 2-5/8 1/2 3/4 3/11 1/2 19-1/2

Ior Permissible tc'tea~ascem, rarkinS, and general imote%, see table 7-19.

-. .... ,

Al diennos nthes

Chai slz A CD E %;

i . '" - , -'.;3 . S. _ "7' . - -.2. - -; -.. , . , . - . .- -. - ,, -q.' " ', - , ,a", -. 't=. - - v -. V.-=.

TABLE 7-22Chain and Fitting D,,tsils, Joining Links l

(Baldt Anchor, Chain, and Forge Company)

Federal i~imenqions 3

Chain Stocku s size N o- .. .4010- A B C r) F F R IA

/24 202-2715 24 15-11/16 2-5/8 4 5-3/8 4-5/8 16S-1/2 99-8927 31-5/32 2-1/8 -1/2 4-5/8 4-1/4

2-3/4 391-0544 16-1/2 10-9116 1-23/32 2-3/4 3-21/32 3-11/32 112-1/2 391-0543 15 9-3/4 1-21/32 2-112 3-3/8 2-7/8 !0

P4 tI.V4 1 21/4 391-0542 13-1/2 C-25/32 1-1/2 2-1/4 3-1/8 2-5/S 9-A 2 391-0541 12 7-27/32 1-5/16 2 2-11/4; 2-5/16 a

-L-3/4 202-2708 10-1/2 65/ 1-5/32 1-3/4 2-5/16 2-1/32 7- , 1-1/2 391-0540 9 5.7/8 1 1-1/2 2 1-3/4 6

1-1/4 391-0539 7-1/2 4-29/32 27/32 1-1/4 1-11/16 1-7/16 51 245-0466 6 3-59/64 21/32 1 1-11/32 1-5/32 4

3/4 141-4978 4-1/2 .2-15/16 1/2 3/4. 1-1/32 7/8 3

l11.,r prrinissibir t levinr.s, tr.arkin., and general note, see table 7-19.

P-.." rnd brvali tcst of joining, ink; for indicated chm.jn s ?es ie the snfnb As foa chliin sizes nhown nit t:le 7-20.2A11 fiferal St-wk Nos. to have vrtiix 2C.

JAIl d; :.ns-l, , in |,clio,.

TABLE 7-23iCiun and Fitfing Details, Joininc ;r k 1

"(.N3=:u;oio Mo!JI'ble and Slu'-.1- CoH Cor~paiy) P.

Stock -Siz.e Nc,.2 A 11 C 1 F

1 _. 4 2%1:-2715 ...... .......... ...... ..................3-1/2 59,46 27 ...... ........ ....... ..... ..3-1 91-0545 14-7/8 11-3/8 1-212 2-1/16 3-7/' 16 1-/ 311ii12-;/4- -. 391-05.4 i19-3/8 10-3/8 1-1/2 3-35/16 3-7/16 7-/,R I I2-1/2 391-054) 15-1/4 9-7/16 1-3/3 2-5/8 3 1s 2-5/3I I'l2-1/4 391-0542 13-3/4 8-1/2 1-1/4 2-3/8 2-7/, 2-3/8 9iL

- --- 2 391-0511 12-1/4 7-9/16 1-1/S 2-1/S ,-5/, 2-1/8 '

a 1-3/4 202-2708 ...... ........ ....... ...............1-112 391-0540 9-1/8 5-11/16 13/16 1-9/Z6 1-15/16 i .

1/4 391-0539 7-/ 4-/ 1111-14 1/11 5" 1__ / ".".'.... ..... ....... ....... . .. .. .. .

11' prrn;ssible tollrrances m.ittking. aRm genet., notes, see t%!,c 7-19.k':.-! @.d bteak test tf juvnind links f'r inficareJ. chain si:es sire tle ,med n for cha;ht tizes shown On t-b: 7-20.

2A!i Fede.-.. f:,ck Nt. to have prefix 2.

3A.! aimen-.ions in inches.

26 7-2411. - , ~ -~ K.~.~*2~--:~.-::-::-

TABLE 7-24Chain atid Fi -Sn Deht, .Ioinii!; Lin',ca(Portflird CMain fManujacturinD Co,;pny)

-~4Il~* A B C LD -E

4 20)2-2715 24-1/2 15-3/16 2-1/4 4 4-5/8 W/ 13-/ 9982 21-V/2 13-1/4 1-15/16. 3-1,'2 1 S-3/4 H3 391-0545 14 -3/'3 11-3/3 1-11/1613 3-7/16 '-3/16 12

C" I 2-3/4 191-0544 1,-' /8 10-3/8 1-17/32 12-3/1 3-3/16 2-15/16 11'-- ~~vi ~ 2-1/2 391-0513 15-1/4 9-1/2 1-13/32 "-1!2 Z-7/8 2-5/8 10

2-1/4 391-0342 13-3/4 8-1/2 1-1/4 z-1i4 2-51'8 2-118 9- ~2 391-0511 12-1/4 7-5/8 1-1/8 2 2-3/8 2-1/8 a

A-i1-3/4 O02-270R 10-3/4 6-5/8 31/32 1-3/4 2-1/16 1-7/8 71-/ 53. 27/32 -1/2 1-3/1 1-9/16 6

1-1/4 391 -05S-1 7-5/8 4-3/4 V f16 1-1/4 1-1/2 1-5/16 5I 25L " 6:1/8 3.3/4 12 ''2j 1 1-1/4 1-1/16 4,3 41-.197 4-5,10 -7/8 7/1 j 3/.1 15/IS 13/1-1

Iko pemis.1be tlerncs, mtkngandp*,ned notes, see table 7-19.Pi:-,[ nd beaktes of ai'ing ink fo chin szesare lte samne as for ch~in sizssoown on 12ble 7-20.

20f 1 S-ock -Nos. to h'ave~ P'wfiC 2C.

TABLE 7-21

(Dtrtve1:op F:-eC -,3ny

T. Al 'Q-2715 .......... 2-1-1/2 15-3/4 2- 3/8 4-1/4 7 '-3/4 163~~~-1/2 /-9 ~ l21 -1/4 -3/14 51/2 j -1/2 1

3IO...........1-1/2 10-1/1 1-13/16 2-3/4 A-7/16 3-3/S I I

22 391-05113....................... ....................... ..............- ~2-1/4 39 1 4 .%2 .......... 12-1/2 7-/ -/6 2-1/4 3-3/8 2-5/8 8

____1-3/4 202-2704 e... 91/ 581-1/4 1-1/2 2-1/2 2-1/2 6-1/4

1 1/2 39!14 03 3-1/16 4 3 11 1 1-131 1- 3-1/6

Ii ~ eisubl te-v,- -irking, .~ -necal notes, ~ tale 7-19.

U1aoj( and Lreaktvu nf~ ruE ii, l'r:iznks fo~r in.ica.,- Otn %i- nre the sam.e x-; for c1.,%in nie,' ibown on tal-e 7--20-

2AI ederal Stock N-4 to Iuiv- Prefix 2C.SA:Jiinen-tions ins inc--.

TABLE 7-26Chon and $;;?ling D91-14. Joininl Lin1ct

(E. V. Camp Ste"| Wtork3)

Federal 1 men1a nfji:hai. tock No. -

*9 D10- 1A C D E F

4 4 ........ ...... . ... ....... ... .. ....... ..3 ! ! t -1/2 ... .. ........... ... .. ....... ...... ..3 391-054 18 11-5/3 1-31/321 3 4-1/2 3-7/16 122-3/4 391-05 4 16-1/2 1O-5/ 1-13/16 2-3/4 4-1/8 3-3/16 It

( 12-t/2 391 -0 513 15 9-11,/16 1-21/32 2- 1/2 3-3/4 2-7/3 102-1/4 391-0542 13-1/2 8.11/16 1-15/32 2-114 3-3/9 2-5/3 9• - -- - -2 W -0 4 1 1 2 7 -3 / 4 1 -5 / 1 6 1 2 3 2 - 5 / 1 6 B .'1-3/4,... - ........ ...... ........ ....... ... .... ..... "

-L 1-1/2 391-05it 9 5-13.116 31/32 1-1/2 2-5116 1-3/1 6 -.e .

1-1/4 391-0539 7-1/2 4-7/8 13/16 /1-1 . 1 1-1116 -71e "

1 ........ ...... ........ ....... ..... . ...... . ...... ..

3/4-- - - - --. ..... ..... ............................

;.-,r:ni-.sb~e toteranc.s, m-arking, mid gencr t nor-s, see t.I-%M 7-19.' .Jd br e.,ii e- t of j in ~in h .s f. e idi c e.! are s . rc h e sam e as for cl.in sizes :- ow n on t.114 7- 20.

2.t.i:.!er Stock Nuos. to EhAve pre7fix 27

3AI! :t::e~ ons: incbes.

L \.iE 7-.27 7CY ii cnd Fii-v3 D- ;1 , Anchor Julnii Lin t

,( 1 . A c ,-or, Chain, a-nd iorce C ,any)

D~imensin-3I. .

-.:., me ,,n "

. A " 1)- ; i4-7/ 1 /2 7 7-

4~ 11 4 33/ 7-/ 2-1/4 -1 51/S 5-3/ 7112 1-9-5/,"

5 25-/ 11/6 2--33354 - S 1/ 6 17-1/I-- - _____ 7 22 14-13/16 1-13/16 3 3-3/4 1-5/3 5-1/2 15-1/4

V-1 22 1943 1 - -13~-/16 1-1,8 23/1 3 3-/ 1 4-1/26i1-1/4

1 1"/"1 202-403 1 I -7/2 14-13/16 1-13/16 2"-1/21 1-5/9 4-1/2 10-1/22-1/4 D i-0534 17 -7/ 8 251 1-3/8; 2-38 1/2 3- 3/8 4 10-1/22 1'-'531 11-73 1- 15/1 6 1-/16 - 1 -7/, 3-5/8 3-1/4 2-1-/

I Iz"" -31i' 9-3/8 6-9/16 3/4 1-3/16 1-1/2 1-13/16 2-3/1 6-7/83/ u:3Ij7-5,' 5-V/16 21/31 15/16 1-1/4 1-9/16 2 -1/4 5-7/V'

.r i .. .it ,l e" t: ,-r I C e % . , a . ,d g " n " i .: t- " s - t.l ' -r 7 - 1 9 .'2. ,of ;,-I break t,*..t H i hor I fU in i a - ,l chti n !;i.: ri a t th e v li.c . g , it a s ;i-e s .,, n o n tl e

r-11l :-:cr t m( k .," to ),.|v .Syr i :

S 3 1 I mI.nI.- n i ll 1,-S.

.---I2,::-"-2 1

:..-,.'<:.,:,:,.:,: .-.,.....:,.. ,_. ,.,-- - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - .-,- - -,-,-, - ---.. .. . ...

I.5TABLE 7-23

Chain and Fittin9 Delails, Anchor Joining Lnksit(National MI oll, I an St*el Castings Company)

ChaiM Federal DhmensionslStock No --401G- A B C I U" E F IR

c ml M4 ................... ...............................

31 39140537 2S-15/16 14-7/8 1-21/32 3-1/4 .-3/16 4-3/16 6-1/2 1 7-1/2)2-3/4 391-0534 22-7/8 13-3/4 1-17/32 3 3-7/8 3-7/8 6 16S2-1/2 391-0535 20-13/16 12-5/8 1-13/32 2-3/4 3-9/16 3-9/16 5-1/2 141-1/2

12-1/4 391-0534 18-13/16 11-5/8 1-1/4 2-1/2 3.5/16 3-5/16 5 1112 391-533 16-7/9 110-3/4 1-1/3 2-1/413-118 3-1/19 4.-112 11;-112 1+.,1 -3/4 ........ • ..... ....... . ................ ..... .

1-1/42 39. ..-... . ........ ..... ...... ...... ..... ......

t:"... ...... . ..... ...... ........ . ....... :

Itfor '--r.ni isibL- toter'uccs, an+iking, and gentrit notes, see table 7-19." P:.' .ind b-eak test of anchor iulainR Iiit*s for indiated chain sizes are the saine as far chain sizes %hown on t.l-

"7-219 .+

All Fe,ttzil ".,,L Nos. to have jPrefx 2C.

3." 1 difr.rn.,'W)i.4 in inches.

C n i t TABLE 7-29

Chain end Fitting; DLtoils, Anchor Joining Links1

(?o~rlntJ Chain f;oaufacuring Company)

7 Feeril 1inI fl ions 3

Ch sin ____

,r ockf , " 2 , -

_00 __ B D D E F G R

4 I H-4-" 31-3,'16 20 2-3/16 4-3/16 4-7'1 5-1/2 7-1/2 4-7/16 21-7/,1... 3-1/2 5.9-S.P23 -'9-7/16 1ft-518 2-1116 3-7/1 7-1/ 4-11 29-7/8

C. 3 391-0537 23 14-7/8 1-11/16 3 3-9/16 4-1/4 6-1/2 3-1/4 16-3/16

2-3/ 1 391-0536 21-3/8 13-3/4 1-9/16 2-3/4 3-3/8 3-3/4 6 3 15" ' 2-1/2 391-0535 19-7/16 12-3/4 1-7/16 2-1/2 3 3-3/8 5-1/2 2-3/4 13-11/16

2-1/4 391-0534 17-15/16 11-11/16 1-5/16 2-5/16 2-13/16 3-1/8 5 2-9/16 112-91162 391-0533 16 10-3/8 1-3/16 2-1/16 2-1/2 2-3/4 4-1/2 7-1/4 11-1/.11-3/4 202-4703 14-3/32 9 1 1-13/16 2-3/16 2-7/16 4-1/8 2 9-2)/321-1/2 391-05.2 12-5/16 8-1/8 15/15 1-9/16 1.7/8 2-1/8 -3/1 1-11/16 t-3/i1-1/4 391-053 10-1/16 6-3/4 11/16 1-3/16 1-7/16 1-3/4 ;-1/4 1-5/15 7-5/16

1 202-3546 s-1/16 5-1/4 9/1 1 1/16 1-1/4 1-3/a 2-3.4 1 -1/3 1 /,23/122-3042 6-3/s 4-1/. 7/16 13/16 1 1-5/32 i-1/4I 7/!1 4-1/1

'-or perenissible tolerances, n.Irrlln, and peIr.al siotes., .te tbAe 7-19.1; o vi,d |I ,re.ok test of anchur jiin 3 Iiks fcr ;n.licat.-d c.iit' %izt-3 :tir, t lame- n3 for c It ir: ,. s'.f n , t il-

7-20.A.1 leder4l Stock Nos. to have prefix 2C.

SAII dimensions in inches.

I . " -

7'* '.. .. .'- ~... . . '- -. J . .. .. .°.

TABLE 7-30Chain and Fitting Details, Anchor Joining Links t

(Interstate Drop Forge Company)

IFeJerl ! J),nensionsI 1:". so -..o. - ...... . . -

4010- A R1 C D D, E F ft

Cu mw 4 141-4899 31-1/2 18-1/2 2-1/2 4 5-1/2 7 7-1/2 22 V.3-1/2 599-8928 27-1/4 16-1/2 2 3-1/2 4-3/4 5-9/16 7 193 391-0537 24-1/4 15-1/8 1-7/8 3-1/4 4-5/16 5-9/16 6-112 16-11/162-3/4 3.'-0536 20-7/8 13-1/2 2 3 3-5/8 5 6 14-1/4S2-/2 l ' 5 1 3 20-3/8 13-/4 2 3 -1/2 15 5 3/4 13-7/ 8

_2-I/4 1 -1910534 16 10-1/4 1-7/8 2-3/a 2-7/8 4 5 10-3/4

1/2 391-053315 3 -7/18 1-7/ 8 2-1/4 2-3/4 3-3/4 4-5/8 10... I1-3/4 i202-:t703 14-1/8, B-5/8 1-1116l 1-7/8i 2-3/8 I3-1/4 A-1/8 9-7/8

J -1/2 391.,i 32 12-3/4 7 7/8 t-5/3 2 2-5/8 3-3/4 9-1/21-1/4 391.0531 12 6-3/4 3/4 1-3/8 1-3/4 2-3/8 3-1/4 8-7/81 '402-35 i6 10-1/2 5-7/16 3/4 1-1/8 1-3/8 1-13/16 2-3/4 8

S-3 -38 4-1/2 5/8 7/8 1-1/4 1-5/8 2-1/4 6-1/4

'For Pit .-:Ai..ible tolerances. irkin-, nud general notes, see table 7-19.V'9.f 4111 I.reF3, tvst of ancNwr joining links for indicated ch;tin sizes are the..- 'n a:. for chlair siz-. shown on table7-2U.,_

2All FPd.-:. Scock Nos. t, 1:a'e p~ef:K 2C.

TA3! E 7-31

Ch:ain cod ,:i-tinq D,.tik, Anrchor Joi.iig Lif!<.'sl- i (T. ~~V. C" -- p S'~lYo:.,

L4.1> A C D 1), 1.. 1- 1

%~~~~........ ..... .... .... ....... ..... .... .... .... ..... ..... .-;

6.. " .- 2 ........ ...... ........ ....... ..... ..... ....... ..... ......3 1)14 -o,. :.- /,' -11/,1 1-3/.4 3.,/4 1-3/. -3,'; 6/2 17-1.i -3/4 391-0536 2-112 3-9/16 1-5/8 3 3-1/21 -15/16 6 16

2-1/2 39 1 (-.515 20,-!. 12-7/16 1-1/2 -. 3-1.. - // -/ 1-1-3/2-1/4 - lU-S 1 19 11-5/16 1-3/- /.-1/) .1 4-1/1 5 11-1/2

I- ....... , ...... I 2 3)1-0)33 17-1/.4 10-3/16 1-1/4 2-1/4 2-3/ 3-5/1 4-1/2 12-1/4f -S-- , .-- ; , -.] 1-3/1 ........ ...... ........ ....... ..... ..... . ...... ..... ......

LP-. 1-1/2 31-0532 13-5/8 8 1 1-5/4 2 2-11/16 3-3/1 W1 - -l/4 i39,-0531 11-7/8 6-;7/0 13/16 1-3/3 1-314 2-1/4 3-1/1 ...83/41I ~ ~ .... o... .,.. . ,... ... ° . o.... .o.. .... , ,... . ..

• __ 3!_.. .. ... " ". " ..... . ........ ...... . . . ...._'- - " - ' . ......'-'. .._ '

1 - . .'rmi: tb t*h'r:ice, r. arkiri ,, ai :d j.en:z'al nwr,, -- t.ble 7-19.V , .i-l : test o-f an hor jhila,: liaks; fvr it-li,..acd t Otiin s~iz s ar the samea aI Ir chain .s5izes Oil t. ,1 7-20.

2Ai' 1:,drnl :;:-ck Nos. to have pri-fix 2C.3AI dimvsion's in inch- .

TAiLr" 7-32.Chain anwl Fiin Details, Anchor Joining Liks, SET:

(Natonal Malleati.~i and Sttl Castings Comspany)

Cain Federal Dirnessions3

Stock No.2r,= U- '-size 4010- C A T E F RI |.

4 ... .23/16 .I.... ..... ..... 6-1/2 .3-1/2 391-0534 24143/8 1-1516 33/4 4-1/2 4-1/2 5-3/8 5-/

*I-"r porissMe tolerances, marking, and general notes. see table 7-19.Proof and 1,reak test of anchor joining links (SET) for ivdicated chair, sizes are the srae as for ch;.ii sizes shown on

*- tnale 7-20.%'I Fcder.al .c.ck Nos. to have prefix 2C.

,Al dirnc u. in inches.

Al! -TABLE 733

Chain and Fieiinq Detaui i, Anchor Joinin-j Lin!(;, S7T(Portland Chain IManufoctujin9 Comn.,7)s".

:I YI= .... .. ... .....tin Stc -I11O

S A Is C 1) 1* G R

4 |599-,3.,.2631-3/16 120 2-3/16 4-3/16 4-7/ 5-/ 2 6 4-/2 14.7/16 121-7'sm 3 1 2 391-0534 [29-7/1h6 18-5/8 2-1/16, 37/R 4-7/16, ' 5 -3/ 4-1/8 20-,7/3" l _ _ ._L._ - -.. ..t . .. -. ... . -__ _ ._ . . ._ I .. .

'. 1l Fcd.-r-l ;rock No'%. ,' h.ve prefix 2C.

2All dimen',ions in inc!csi.

TABLE 7-34Chain and Fitting Dvtoils, Anchor Joining Links, S-T1 "

(E. V. Comp Ste*l Wor-s)

110110 _<,im:w n: in%

si eA It C 1) D' L F it

S4 ................ 2-3/16 ............... 6-112.is1/' 91034 241A' *11.112 2., 3-5/-1 4-1/'1 C-1/t 5-J/8 16-3.A

'Fo.sr jermit. ible tolerance., matking, and gener.a notes, see tilei 7-19.Proof and r.ek test of an,'hor joining liols (SET) for indica~ed chain sizes are the %armn n. for O'lain Oi'- I ho.vn

Al. F., * Nos. to b tv refix 2C.

* 1Ail a:en'ions in inches.

%26.7-2S3.5

..5 , ._.,.._-._,. ,' ,:.'-,",' .'2,,::'_- ., "'"':"""-::";., . ,"::':?.,:.".,, , ,,,,, .." ,, , i:

TASLE 7-35Cain and Fitting Details, Type F Bending S|ockles I (

* '. . ..'.S ,-, I$

3 -YW.*

* Feder'ml Stock No.2

Cl!Aift 4030- A C n E F N G R Proof Areiksi ---- (in.) (its.) (in.% ) tes

I 644-9621 ........ 35-13/16 12-13/16 5-3/8 7-1/4 1-1/1 14-1/2 8 ,3-13/16 8;0,000 1,176.0003-1/2 640-96'1 : ........ 31-3!16 11-5/16 14-15/16 6-1/4 1-1/4 13 7 16-3/8 653,44O 921,S1O

b i ,.........26-13/16 9-9/16 11-3/16 -3!8 -1/8 -9/16 6 14-1/8 41j, 0 69,/:,f,2.-3/4 |36-."9 236-3398 21-5/8 8-7/8 3-7,3 4-15/16 1-1/8 10-3/14 5-1/2 12-15/16 .- 20,C0 5H:,fl!,302-1/12 136-3391 236-3397 22-3/8 8 3-1/2 41-1/2 1 9-3/4 5 11-3/.4 351,50 4)2.1,0,-4/, 236-8190 236-3396 20-1/16 7-1/4 3-1/8 14-1/16 7/8 8-7/8 4-1/2 W-1/2 237,93U 43. 1 O

: t.23 . 236-3395 17-15/,; 6-7/16 2-13 '16 3-5/1 7/8 1 4 9-3/8 2;J.000 322,--0

o,.:'.I ........ 2)2-3734 15-5/3 5-11/16 2-7/1) 3-1/6 3/4 7-1/8 3-1/2 0-3/16 173,'0J 2.19.2101 1 I .. 527-S4'7.1 13-1/2 4-7/8 2 " 2-11/16 5/8 6-1/9 3 7.1/16 132,100 185,G60

292.3 :'3 31!-1/4 4 1-1' 1 2-1/4 5/8 5-1/4 2-3/4 5-7/R 92.910 130,070........ ........ 93-15/16 3,5/1 1-7, 4 1-13/16 1/2 4.1/2 2 4-9/16 60.60 8,0. 0

" .l-a"af -7i | . I - -1/2 3/8 4I. i, ....... 527- ." M 2 3/6 3 1 1-1/2 1O

Ito- ,.t:o d l."tbte '-'ez, rnarkitj3, an,,i gener.al notes. see tatle 7-1.

2 A ..-. , : ,. S Nob. t have 1,'rf~x 2C.

IA3LE 7-33Cbui. .d Fittin'j ttail% VroundRings 1

I •-so<r" I test ize Its t i ( ) eI(in.)i 204r). 0 i. ( l. (in.) 0 S01"

4 527-0311 18 &-1/2 640.00 1. 175,000 2-1/4 231-43A7 14 4-1/12 27,930 403,1003-1/2 527-0317 i8 6-112 40,CO 1,173,00 2 234-4986[14 4 230,000 22Z,000

3 234-4'9Q 16 6 495,00C ) E,3,000 1-3/4 234-4335 12 3-1/2 173.C0O 249.2022-3/4 73 1-4 3 15 5-1/2 42,.660 5..9-O 1.1/4 231-4,44 10 2-3/4 92.910 130,070

-2-1/2 234-34 14 4-V4 ... .560 .2,1903/4 209-7743 10 11-7/ 31.,6b0 49,550

1 .r .iile roti'nces, marking, and anerjl ntles, %ee . 7-19.2l Federaol Stock No$. to have p:ix 2C.

26-7-25.44d

.J. •

. - o . - . . .

TABLE 7-37ha,;n and '. Details, End Lin,cst

n ... .... . . .. P-of break; .c. NO.2 D - ) E " Ies

(in.) 401o. (in. (in.) (in.) (i. %. '

4 641-0006 4-1/4 5-1/2 2-7/8 5 20 840,000 1.176,000 ,3-1/2 641-0005 3-15/16 5 2-1/2 4-3/4 I1 658,440 921,810 N3 2374.024 3-3!4 4-/2 2-3/16 4-1/2 1I 495,00') 693,0042-3/4 27.-502) 3-3/9 4-1/8 2 4-1/4 IS 420,660 589,9302-1/2 2913-5-., 3-1/8 3-/4 1-7/8 4 15 351,560 492,1902-1/4 293-6673 2-3/4 3-3/8 1-3/4 3-3/4 15 287,930 403,100 IC2 2..-5022 2-1/2 3 1-1/2 3-1/2 15 230,000 322.0001-3/. 7;--5021 2-1/4 2-3/4 1-3/U1 3-1/4 1 179,000 249,.00I -'1 274-5020 1 .3/4 2-1/4 1 2-3/4 12 92,,)9 130 070

3//.[')8-C,677 1 1-1/2 5/8 2-1/4 If 36 3.Do 43,550

f-.. ; i ,,e rUc.A ,:%, fn. g, gel..a c,, - r.il t', -s, * cc c.ble 7-19.24%jt Federal Sto.:'; Nos. to~ hay- prefix~

TA3LE 7-3"3C:hoi.? ond.' ,Fi?,+n.. s-' i n h''er PrO:'l.!".

!...""-"- ___-

rj./. \ I [ :L )--,:- IF L

(:t -- ". ,I C/2 E i" G, K N P S 'SI"i.) i ( in.) (in.) On. ( i b)

il-1!2 3 '-......... 5/i 1-5/ .15 7/16 7-112 V/8 11/16 I Co,, 2)col1-1/2..o 2 ....... 1/ 1.... L / I-7/8 1/4 /1L , . c I0

6 i~' 2 1-3/4 3/ -I/ 1 /4 V /6716 Iu 6,i

I i=r permisi;;ble tu;.rinces rn.;. :tnJ i.:ivca Ir-me, sl' t. le 7-19.

32. Federd Stock Nc'*. to )-v pre.ix 2C.

......................................................................................-

TIABLE 7-39

Chain and Fit*;n D.-rauils, Swiv..1s

Ch~ Federal 1) F G Proof Blteak r.(i .) N (in.) (in.) (in.) (in.) b) s) es-

(in.)(i.) i.n (". e ,bib)

4 527-5866 2-1/2 4-1/8 3-1/2 7 7-1/2 840,000 1.176,0A -3-1/2 527-8867 2-1/4 3-5/8 3 6 (-9/16 658,440 921,4133 527-8868 1-15/16 3-1/8 2-5/8 5-1/4 5-11/16 495.000 693L0,O2-3/4 527-8865 1-3/4 2-7/8 2-3/8 4-7/8 5-1/4 420,660 5S8.9302-1/2 527-8370 1-9/16 2-5/8 2-1/8 4-1/2 4-13/16 351,560 492.190 : '

2-1/4 527-8S64 1-7/16 2-3/8 1-1S/16 4 4-3/8 287,930 403,V. "2 263-8330 1-5/16 2.118 1-3/4 3.1/2 4 230,.010 322,0.01-3/4 527-8865 1-1/8 1-7/8 1-1/2 3-1/16 3-7/16 178,000 249,2101-1/2 263-9329 1 1-5/8 1-5/16 2-11/16 2-15/16 132,190 135.0601 1/4 263-9329 7/8 1-5/16 1-1/8 2-5/16 2-7/16 92,910 130,070 j1 227-1.$S4' 1 3/4 1-1/8 7/8 1-7/8 2 60,40 84,500

3/4 227-, :.1 9/16 7/8 11/16 1-1/2 1-9/16 3 S.680 4.,550I.ermis-ibl r olerincrx. rmatking, ad generil ao:., sce fable 7-19-"1.."- buttons shall be cast ;;a:.-rally with male pieces.l)-i"ensio . of swivel sl.all ;ermic joining with all of their deignmtcd jini:ng livk%.

2AI! Federal Scotk Nos. to h;ave r:fix 2C.

"--d3E 7 -.-

C'anin Cn'j ;i i '

* .-. ,. - f " • .. . ('.

-t---' . I I !., ,. / .1 ,.

..MO U-A SE F PA

[-C771 I (-. .A is )'I_- .. .0' 't " 1%t M

67109 116, 7 1 I 2 21._ _ _ 1 . n; - J *

scrr,., ,-4 B IJ cr:c B-3:5

/ :-i ,,r ai .sei.rly: Chi 1n i l *eer2 A,_ I.

• . ,51.i,. ,-7!.,,I-nit 4 (',0-9618 16 7 4-1/2 2 25 ..-' "1 ,o t w," , .'k h*.- t'hc'.:.,w, car .a.jim iI ated, t-1/2 6{0-9620 16 5 1/2 J4 ."1/2 2-7/1t 22 "-

3- 60-9619 1 1 5-1/4 3-1/2 I 3 3-3/4 217-3. 292-%74u II 4 7/8 3-1/4 I 2-3/. 4-1/4 13L.._ I-o , 2-1/2 29 2-373t 12 4-112 1 2-1/2 4-12 L6

.AN. d..-n%.uri, ;i in. . ..

'.'i: i r.I.-r'l :., , :;os. to iv 1 ,t- .. t!i .

o . • . . - , . o • • .o , . .-. -o - . - • o o

, , ~~~~ ~ ~ ~ ....,*-. ... ............... . . .................-.. *.s-i.-lli~l mi mmmm ni . ml

-~V ," "T ,. -M-- . -

'TABLE 7-41letaiui -J Conceet-P Sinkovs

1I3iz2 sss nt the -%me diawneic but of differe form and

z Ieidctb may be %.ubmitutcd for th.'se given io this tibleprovided that the shape of sink-r shown7 is chsnjted to

S ui the shapeof hairpin witho-s cAn of tesne

T1,P %Inwe applies also. to suai4ets used as anchors for

buy febreptt tht h snkrpl hllb

rl Fiie Coarse Federal

* t-~,s)(approx) I (1h)3 ?0I

1-050 V-6-112 i1--yr0" 31) !S-.O 1600 264-4507 1-3/4" V-6- 2- 2-1/2' V-4-1/2'1 '.2-0;0 !1-9* 2 '. W6 40 1 ZOO 2100 254-450:4 2" 6-0- 7-1/4- 3' .41 0. 4-u -- !l1 7 50 150o 2500 264-4503 2' 6*-0' 2 1/4' 3" *

*,-' -! -4" 10 65 ~ 0 3~ 270-5773 ?*I/4* 7-0" 22.( 30 3/ 3-1/2' V1-

4.0 Z7-7 * -012

!,I ;r 0a .le cZNC (J zvjevkte5. )i!P! .Secifit gc~t: t

k . Ait. SuI 7--- 'A W-i,+ -I* f V-!'i -'l Ci'. U in lt.-zlhs 1,ivtn in vir~w%. tal: f'.r ch.tins Ivich

II~~ j FIERfAL ST", NO. 2c*o3o-27Z-I73qI PROOF TEST W4.000OLO

DRIAX TEST I*I7SOOO*LB

* 2*7/df

MDopm..o ,SET4L -0

FCA IPT9&LE TLE RAK.S. MW40.11 %2 ' I DN CNFAL IHOreS, r-.E TUIi 7-IS9

CF~~i,,A MR' P-oo r 4Inc D.I.nk

'3tC.-t)R 7-8'' I)OLi4'T C ~Chain~ ~ ~ ~ and. S7EEL Dvis Siio

'~~~~~~~~~.~~~P 3 WvI MXM~VILW L A"N ft" J ~ ' -w~~ft 4. *

'.B ld ja Ja- , SvivlSh

-.. eacal A co C ne-tn ' 3-1-

B aIdtCha1nShacI a Sr I r. T p, e. -20

SONTEI!Sd ;:>.4

Dachabl Chain CocLgins 3'-2-0

-Baldt.a aind aewie-hcle31

Bald', Oilr SihQaiy CinCecig 3-2-13

DlseTyabe AChor Ctonectgs iu

Round n loyp nChain Slocpaes, 3-3-1

Del's Can Shacpe CaStoppers Pi3-pe3-2

iBaldt Hin Shinkl oninTp.3-- .I

B3aldt CiTr C'hain S ~topTper 3-33-4

B3aldt Park Seape' 'Hiks * --

UltrTpeCanStpes .

.. Plicn ookTyp CainStopes 7 . 33-

.. a .. .. , .. .... . . ...• , ' • * . .. '' ° " .. . . -" " , * I

BA.D7 DTIAC~AtL3 C3HIN CONNI CTIA LINIS

.... '( ) 1 "

_ _ _ _ _ _- I - _

A c ,. ,, ,Li

___,_',_ -_ - '- '- --- - - - -[ ;- a ;',' " - : - { ,l9 . L-, -l

-22 i-i.- - :7 1-- I-; - - 1".; E- " I .3 " .,,S

ii ~ ~ 2' 2zi 1'7 3 - 0 2 14-- . --;' 12.. . . 1. . . ..

__ 2_ 6,, 41 1787*

.- 2 - - --,.;I 2 3 173V.-4 i. 2! 1'i, I'l V Ml "; 2 357/ 4 1731 - 2 2 -. :, 35-..7'4-,-- .- 3-

P,~12 2. 21 YV, 43?,'. 1X I2 '. " 4 2'. 2y' , .. .. 1. 3-... .'. 3f. . -

4:. t" i 1 ]-,,'.'-, 2.. .. - P , -fV41.0 ,1 61.. .- "

2.. . _-, ,21 3. I -., , , 3_,.: ,__..,.___ o,. :!.2 2', ES 6/ 1.14 TA 21'' 3,i/o3, 3'.4 1 Va C,40.0.) EZ.~

' 2*..,, 2! ES. ,-- - .. 3''.' 3 2/ 'TAI i9, 649.013 93'G '

*2- -21' 71 -73 1 7.'s V1'a 3r - 3' ~ i3r, C' , 10?0 C, C "

242',- 3j 75-76 18 Il.~ 32. ".'. 1.1"I V)I~ l' n3 -'" 7679 4' 3'II"3- 2 t_:. 1 'i3 T"

3 F 3'!, 81 - _1 l' 4_ , 3 . " - " ' ,- V_.P. 12,1 Cis_3Vr _.$2.

..... ........:7 J . . .. . . .. . .. ... . ..

" . , ' - 2 . :h.. V, 4 ' f.;. 3' .',

I -- ".-.... ... .... ... I:;:" " (::. . .:A- -I~~~~ ~~~~ VCa/ ,., ' 1"' 22 3 ' s. . ... ... a, 1 " 1

I '--. -".-' 2 t 4 4 I's

I1W 7i6, I f . 4. 9, %. 2. ~ ''7f

"" _ _ 111 1 1"" .8 . . -. i '". '

:"4d..-''--A" ' ' >- -'-- - :- !: .::'.- :'. . - :

' ";" '-_ _ !: ... 12:L -. "' s:, -Y '.----Zi'.- ,..,'.,7, ,... I "

1111 ." •M . N7 ° Km. - -C %7 1" 7 ., ", -' ". - °.-. °,o

T~14 '. t ~.~ ~'. . ,~ L7~ . .~ .4.4c ~I(4.*j .. 4..-... '" ""..." '... , .. ' ..*....,.

LAL? JTIA Vu JAM SWIVEL SNACUMB~

ANCHOR END E - +- - D CHAIN END

KEY OR WELDED-- F- F"B ('-IG 1-- WASHER

(:'- 1 , ! A-..A A

Ihe Jaw & Jaw.'s i . i.r is d&sigjnd to! - ! "- 1 " -- F , ; - -accept the shank cf a'n awv1;or a,,d o; : oCa f

.. . i + " Ie nd is d :si rg n e d ! ~o p ail r . S ( :t, ' " ... ... . ., , , , ... :ocktl or rxljoriil n . h apr;ljCed proof

.,. ~ ~ ~ ~ ~ ~ ~ la L; .. .d,, ,, :,.. erce,,c,,;,t u;pon ap[,hc., .,- il-.sign. " "":-L,a'

rhC., ID i

J . ........ --.

'; ; ' - I -n j "-- -S -

O!I kIG Q.',AIt ITY I'A ! TI [ I'I.N Il;i 4/ " "-.

. . .... . . ... . .. . . . ... . . .

YO 2 Y 1;-- lf413. " % 1 6VV .. )

.j~i ___S2-2 4 1 1 '' 1" 1 3C

r -1 .1?

S C ~ ~ ~ ~ ~ 41 -1 x4 i J E TET 1 T.'1 YN 5~ I. 6: %~ ),1 INU2. L

W ri? 25 71,~*~* CA.. . L.. 2 I

* ~ 1~ALLOY SHACKLES' 7

- ~ ~ ~ \ I/IkACXLE SIZE E 1 W.T w."

-41 33 5'. 2"a 31/ 1'. 3' 3 20

2~ 51Y4 514 21"4 5~ !3''. 391A 7 Ve~. 21. 6 2 51.753

I3V1 Ct 141i. 5'?.4 91" . j a 31,1 2,-5.r ~ _

SIFt TP .IIC Ir

31_ 2'6s 1 6"l 3' Ull

63 13 2'4 4 , ' I .

I 4' 1 3 1'? 2I 1

r) I I- "II

- -. 7,.",

~n t. . .. . %... .. . ..... .. -*",--t : * -.-. ', - T- -G -.4.- * ,ii, I.:iu' ?A1LLI .. ,, --A v i -;'"T - *-

-. "-.46

...4 . f .F.. . .- Os

I 32 5 - 3I'll.

\ -- ---- -

1 23 3 2 3"A 1 2V F 3.

2 5,, 7 -A 3 :V4 7 " 2 .7 '5 "'"76. 5 1 3 4 61 3 1 3),

In. , ., - I 7 _1 ,.. ,...

•i1 '' 1'.'. "J.. :B t 3',, I

S4 10o?5 13' 4 v! j4 1" 2 - 114 22 r .- ._ C 1C' ". -" L I_.... _

~~~~~~ ~~~~~~.......".....................-..."'..._._._ :' ...1L ._ "

"-"t,, 7s'.i~G 9'o 4 7..

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EC-2 Typhoon Survival Mooring

INSTALLATION SCENARIO OUTLINE

1.0 INTRODUCTION

1.1 Scope: This scenario outlines the special requirements

for the fit-check and installation of the EC-2 Typhoon Survival

mooring at Apra Inner Harbor. It is supplemental to standard

practices and PWC Guam selected methods.

1.2 Configuration: The general configuration of the mooring

- was provided in reference (a) with a hardware list and a des-

cription of installation support requirements.

1.3 Ground hain Righing: The on-bottom layout of the ground

chain array is in process of finalization by C1!ESDIV/FPO-l.

- -This will specify:

a. the anchor circle rndivs

b. the orientation of the ground chain !cs around1

the anchor circle,

c. the separntion distances between the tandem and

parallel anchors initially and after setting of the

anchors and

d. the "slack" or extra links to be left in the ground

chain legs after marking each at the coninon inter-

section at the central sinker location.

* 2.0 PREASSEMBLY AND ON-SITE MOBILIZATIONo Stage all component hardware in an Lr,a which a1low,

- the physical connection of each coTipo:, ionL. E:i_"

componenL should be thoroughly :',,,c-t'J For fit .-

funct io,

o Work Platform - The mooring installation will require

a platform suitable to handle the deck loading of

anchors and chain. A crane or other means of handling

anchors and chain will be required. Ancillary vessels

for barge and crane movement will be required.

3.0 SURVEY

o Survey markers (buoys with sinkers) must be placed to

accurately establish anchor and chain locations. Survey

markers must be located using known datum or bench marks.

4. 0 ANCIOR !NSTALIL:\TION AND PULL TEST

o Install the preassembled anchors, with attached chain,

at L.e survey points. Installation will require lifting

the anchor from a platform and placing it in proper

* C) i .L . i :, oci th . |hot ;,l .ie

o E -10ch a 1chor chai.n mtust bL! laid on the botLtom froi the

anch(.r to.:ardh the marker buoy locating the center of

the mooring.

o A horizontal pull of 200K lbs mu .t be applied to each

mooring leg pair, or a pull test of 100K lbs per leg

may be applied. The pull test may be accomplished

us;ing a moored barge with a winch, winch/beach gear

or hydraulic puller. A vessel may aloo be used to

apply force.

o After the pull test, each chain leg will be marked

(by a diver) at the center of the mooring. Each

chain will be cut on the surface to provide a speci-

fied number of extra "slack" links beyond the center

marked-link. The leg is then lowered to the bottom,

and connected to a central ground ring.

5.0 BUOY INSTALLATION

o All anchors should be set, all anchor chains connected

and2 in proper location on the bottom and all riser

chain attached to the ground ring prior to the final

connection of the buoy. The buoy should be checked

for transrortation damage prior to installation.

o The buoy is installed by placing a crane wire through"

th:* centcr pipe alI connect.i ng the ,cra r, wire to ti,e

ri-Cr chail. The ri.L;ur chain is then pulled to the

.rJLwLc , up throuh the buoy, and th: final assc, 1) ly

of har.dira completed on the deck of the buoy.

o Final Inspection - The mooring should be inspected by

a qualified diving team to confir.n the proper placement

of all components and to provide "as.-built" information

for final documentation.

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I' FIL

" " FOR

EC-2 TYPHOON SURVIVAL MOORING

(CHESDIV/FPO-I , 14 March 1980)

1.0 INTRODUCTION

These guidelines outline an installation scheme which will meet the

configuration and functional requirements of the EC-2 Typhoon Survival Mooring;

and it can reduce the amount of underwater inspection and hook-up requiring

diver support.

This Guideline supplements the following information provided by FPO-1

previously:

(a) Sinker Design Sketch, Quality Control Requirements andInstallation Scenario Outline (CHESNAVFACENGCOM Itr,FPO-1ED6:bw Ser 11000 of 28 Feb 1980)

(b) Procurement and Installation Information (CHrSNAVFACENGCOMltr, FPO-1E:bw Ser 11000 of 17 Jan 1980)

(c) Firm Hardware List for Modified Class CC Mooring(CHESNIAVFACENGCOM Washington DC 161615Z Jan 80)

2.0 MOORIIG SITE

The site of the mooring is APRA Inner Harbor approximately 500 feet

west of sites 25N/25S as shown in SKC 31080. The site location may be changed

somewhat as a result of the CEL Soft-Soil anchor testing at the harbor in March.

3.0 DESCRIPTION OF MOORING

The mooring consists of three equi-spaced ground legs with two 2.25 inch

chains per leg as shown in SKC 3980. Each chain carries two anchors in tandem

in order to develop the holding power in soft soil that is necessary to match

the working strength of the 2.25 inch chain. The combined weight of each pair

N;CLOSU.RE ()

of tandem anchors is 25 KIPS. Each set of chains is connected to a spider

plate and each of the three ground leg spider plates connects to the ground

ring at the 15 KIP central sinker as shown in SKC 31180. A 3.5 inch riser

chain connects the ground ring and the peg-top buoy.

4.0 SURVEY AND MARKERS

Survey markers must be placed at the mooring site using established

datum locations. Survey markers can be constructed using plastic pipe floats

(20' x 2" diameter) and a sinker weight with an appropriate length of line.

The site markers can be placed using transits and to establish bench marks on

shore. A small boat can be used to place markers after being directed, via

radio, to the proper location by the transit surveyors. Site markers should

be placed to within a relative accuracy of + 5 feet of each other; and the

center of the mooring shou'd be located per PWC requirements.

Survey markers will be required at the following locations minimum:

o center of the mooring (1)

o each outboard anchor location (6)

o each leg at 342' - 8" radius from the mooring center (6)

Survey locations may also be required to locate construction platform

mooring anchors, to establish range markers for pulling vessels and to locate

special markers to aid assembly.

An as-built survey is recommended to document the final locations of

the anchors and mooring buoy.

Sketches SKC 39S0 and SKC 31080 provide a project site plan and plan view

of the mooring.

2• = " -o

5.0 ANCHOR INSTALLATION AND PULL TEST

The installation of each anchor pair and the associated anchor chain

* can be accomplished using the following proposed method:

5.1 Each anchor leg is assembled on to the work platform in a

manner which allows the chain to run free during placement.

The inboard anchor of each leg must be placed on the side

of the barge in order to allow the outboard anchor to reach

the bottom with 45' of chain between the anchors.

5.2 The outboard anchor is placed on bottom approximately 50'

outside of the final anchor position. The 50' distance

will be used to allow the anchor to set during pull tests.

The inboard anchor is then placed. The proper location to

place and align each anchor can be determined by survey

locations. Place anchors' fluke down, with the chain between

anchors straightened out, before starting to drag and bury

anchors.

5.3 Each anchor leg may be pull tested individually to lOOK lbs

tension, or after placement of the adjoining leg, the two

legs may be pull tested to 200K lbs tension.

5.4 It is important that each anchor leg be pull tested with the

tension applied along the exact line of the anchor leg. The

pulling barge or pulling craft must be able to naintain aii

accurate in-line position during the pull test. Survey markers

and/or range markers may he required to assist in maintaining

position. The drag line, or ch.iin used for settinq and load

•~ ,.S.-. . . . ... . .. . . ., . ... . . .... -,* , ,..-. ... .. . . . , . . . .,.. -

1- V-.L

testing the anchors may require weighting to enable the

anchors to bury, and to avoid pull-out of the lead anchor

due to up-angle on the shank.

5.6 The anchors must be set by dragging in tandem for at least

50', and until their radial distance from the center of the

mooring is no less than shown on SKC 3980.

5.7 If the anchors do not meet the load-test requirement, they

must be re-set in undisturbed soil. This can be done by

re-orienting the entire array of ground leqs by 100; or the

anchors can be set at a greater radial distance along the

original angular orientation by at least 60 feet and addi-

tional chain will need to be added to reach the center of

* the mooring an- provide the 15' (nominal) excess chain

length for fit-up.

6.o MEASUREMENT OF CHAII LEGS

In order to attain the design load capacity and load sharing capability

of each anchor leg, the anchor chain must be measured and custom fitted after

the anchor pull test. It is suggested that this task be accomplished by

placing the anchor chain on the bottom (under tension) in a straight line

between the survey marker locating the pre-established 34;2' -8" anchor radius

location and past the center of the mooring. Measure aiongi the chain from

the center buoy survey marker, a total of 15' and mark the chain. Lift the

chain to the surface and remove the excess chain extending past the mark.

Each of the six chain legs must be measured and cut in a similar manner.

7.0 ASSEMBLY OF MOORING LEGS

S,. . With the completion of the pull test and the accurate measurement of

each chain leg, the mooring legs are ready for final assembly. The joining

of the individual legs can be completed on the surface using a floating crane.

The following .procedure is proposed for consideration:

7.1 Attach a lift line to each of two adjacent pairs of chains

and pay out lift line as the crane barge is moved to a location

midway between the anchors of the chain legs involved. This

provides sufficient slack chain so that each pair of chains

can be hoisted onto the deck of the barge and secured.

7.2 Attach the chains of leg "A" to one spider plate and the chains

of leg "B" to another. Check to assure that the chains of each

leg-pair are not entwined and that legs "A" and "B" are not

twisted or cntw:ined.

7.3 Orient the sir';er on the barge and connect the two spider plates,

and tha sinker to the ground ring so that the sinker can be

lowered to the bottom later without tangling the legs.

7.4 Rig a lift line to the two chains of leg "C" and tow and/or kedge

the crane barge toward the mooring center with the sinker and

attached legs "A" and "B" fast on deck. When the barge is at or

near the center marker of the mooring the two chains of leg "C"

can be raised to the barge deck with a lift approximately

5 tons.

7.5 The two chains of leg "C" are fitted to a spider plate as were legs

"A" and "B". The "C" spider is then attached to the grotnd ring.

,* *#. 7.6 The 3" riser chain is rigged through the buoy and is

connected to the ground ring. The buoy is then over boarded

with the riser chain lower end attached to the ground ring at

the sinker. The ground chain array is lifted by the crane,

over board, and lowered so as to place the sinker at the center

of the mooring.

7.7 The mooring is then inspected to insure that the:

(a) Sinker is not on top of any of the ground chains,

(b) Riser chain and the three spiders with their pairsof ground chains are not tangled at the ground ringand are oriented properly with respect to the anchors.

7.8 Th..- mooring installation may be functionally tested by pulling

on the end ring of the buoy with a tug in 6 equally spaced

directions with at least 50 KIPS bollard'pull.

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.1 Fr CnD-'NAvFACEf.GC0M. ALEXAN~DRIA VA PACI .AVFACEIOGCOP. PEARL H4ARBOR NJ

LYSTA GUAM

oJll: Aa4"-CL-A S,,CP;'MOOPPjl~r

0 P.&C (rLIAM 1?0331Z SEP 800 PA~C GUAM LTFR 1O(6/ESfq/S"S 11100 SER 18'J1 DTf) 26 SEP 800 PAC ViJAm' 1705DIZ OCT 80

-r D EF a~ TlvI"CATES THAT b?.7K Lr)LLARS TRA NSMITTED To ro~C GUAM. COVERS e

C LLfljI:4G CLASS CC , o;ING TASKS:* A. mOF C0?"P01,ENTS

~l. "!C'qDP STAILIZEP F A FrICATION

C. SUiIVtY Avill EoX" SUPPORTfl. ASS"RLY AP;D) TkA'%SPORT flF COMPONJENTS TO SITE

E. OG; I'C E"PLACEVEPJTaDITICV.aL F"?JtlS OF 103,9K DOLLARS REaUESTEV FOR ANJCHOR SETTINIG AND

!jLL TEiT HAVE N'OT REENJ IDEIwTIFIEL AUND ARE NJOT IMtiEDIATELf AVAILABLU.

FOP P.-X GUAP-: RFG PPrjCEED v1T-4 CJ)PRiFNTLY FUNDFD TASKS UF PARA* -iF *rvE. REQ~UIREU YOORING CO.4PLETIUN RE"AINS VEC 1960.

* FOP C4F.S()IV: IN VIEWJ OF RESTRICTED FUINDING,. REG REVIEW ANCH1OR_]- ''

*TTTfqC- A -0 PULL TEST REQUII EN'ENTS UF MOORI'1G DESIGN. ANALYSIS I1~

- SIRED L7 7 NOV.

* IPT VEFS 8 AND C, FURTHER FUNDING WITHHELD PE14DING Cnv.PLETION OF:'.' -K VESnIv bNALYSIS.'

SVR:CmESrfiVFACEFGuCOU4 WAS1IG701. DC(7) ... ACT

PTfl:6l0O'/COPIES OnA(T N1 ','

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01 03 PP RR lJLJUU 31212o-

CHESNAVFACENGCOM WASHINGTON DC

PWC GUAM

INFO PACNAVFACENGCOM PEARL HARBOR HI

UNCLAS //Nl1l53//

SUBJ: MODIFIED CLASS CC MOORING,

A. (OMNAVELEXSYSCOM 242149Z OCT 80

B. PWC GUAM 290016Z OCT 80

C. FONECON BTWN MR. T. O'BOYLE (CHESDIV} AND MR. E. SAN NICOLAS

{PUC GUAM) ON 5 NOV 80

: 1. AS REQUESTED BY REF A AND B, THE FOLLOWING ANALYSIS OF THE SETT-

.* ING AND PULL TEST REQUIREfMENTS OF THE MOORING DESIGN IS FORWARDED.

2. THE UNAVAILABILITY OF FUNDS TO CONDUCT THE 100400 LB PULL TEST

ON THE SIX TWO-ANCHOR LEGS PLACES INCRE'SED IMPORTANCE ON CORRECT

ANCHOR FLUKE EMPLACEMENt. WHERE POSSIBLE, DIVERS MUST ENSURE AND

DOCUMENT UITH PHOTOGRAPHS TH4AT THE FLUKES ARE READY TO EMBED. ALSO

OF INCREASED IMPORTANCE IS THE NEED TO HAVE ALL CHAIN PAIRS ITRAIGHIT,

TIGTH, AND MEET AT THE SPIDER PLATE WITH NO SLACK IN'THE CIAIN!

* 3. DURING REF C, THE INSTALLATION PRO(rDLIRE SUMMARIZF:D WAS UNDrR-

STOOD TO DE:

THOMAS J. O'BOYLE, FPO-1ED7 COPY TO: FPO-l...FPO-1 .. 09...433-3881 FPO-IEA.. .FPO-1CP. . FPO-1ED7..•

DAILY.. .ROUTE.. .0161(2)

J. A. STAMM, . .' ... USN 33881

(Y.7 A

02 03 PP RR ,UUU 3121200

A. THE SINKER, RISER AND BUOY WOULD BE INSTALLED AT THE

CENTER MARKER BUOY; 1IRST.

I B. THE LONGER OF THE TWO CHAINS, IN EACH OF THE THREE CHAIN

a' i PAIRS, WOULD THEN BE INSTALLED ANCHOR LAST. THIS WOULD BE DONE BY

LETTING OUT CHAIN UNDER TENSION AS THE BARGE MOVES OUTWARD TOWARD THE

ANCHOR INSTALLATION MARKER BUOY. THE INBOARD ANCHOR WOULD BE LOWERED

;USING THE CRANE. THE TUG WOULD APPLY A PULL TO THE BARGE/CHAIN TO

STRAIGHTEN AND TIGHTEN THE CHAIN. THE OUTBOARD ANCHOR WOULD THEN BE

LOWERED WITH THE WINCH.

C. AFTER ALL THREE LONGER CHAINS ARE IMPLANTED, THE THREE

.SHORTER CHAINS WOULD BE IMPLANTED USING THE SAME PROCEDURE.

-. , D. AFTER ALL SIX CHAINS ARE IMPLANTED, THE ANCHORS U,'LD

BE LEFT ALONE FOR 24 HOURS.

E. THE 100 TON CRANF BARGE WOULD THEN BE BROUGHT TO TH4E

- CENTER AND PICK UP THE BUOY/RISER/SINKER. THIS WOULD CREATE A

..HORIZONTAL FORCE AT THE ANCHORS THAT WOULD START TOEMBED THEM.

-4. THIS PROCEDURE SHALL BE FOLLOWED, WITH THESE ADDITIONS, TO

,SATISFY THE MINIMUM INSTALLATION QUALITY ASSURANCE REQUIREMENTS:

*I fia

97 -- .. ., .. . ' .. . .., . ...... -writ --7"l . . . . .. . . -u w w w w v . . .. . . .. .. ... .... . .vu . . .

-7 . . . ... -.. I.R•• .__________________ '7 7440W.14

03 03' PP RR uuuu, 3121200

A'.'.,':EMPHASIS SHALL BE PLACED ON ANCHOR FLUKE ORIENTATION

AND ASSURANCE' THE CHAIN IS STRAIGHT AND TIGHT FROM THE GROUND RING

TO THE OUTBOARD ANCHOR PRIOR TO LIFTING THE GROUND RING-

B. AFTER STEP 3.D ABOVE, DIVERS SHALL ENSURE AND DOCUMENT

IITH PHOTOGRAPHS, WHERI POSSIBLE, THE ANCHOR FLUKE ORIENTATION IS

PROPER.

I C. AFTER STEP 3.E ABOVE, DIVERS WILL ENSURE AND DOCUMENT

WITH PHOTOGRAPHS, WHERE POSSIBLE, ANY EMBEDMENT OF THE ANCHORS, AND

THAT NONE OF THE ANCHORS PULLED OUT OR TURNED OVER.

5 IT IS REQUESTED PWC GUAM FORWARD ANY ESTIMATED COST INCREASE OVER

'THE $62.7K ALREADY FUNDED TO DO THE INSTALLATION BY THIS PROCEDURE-

lk* ~ i

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Im * .

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