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STANDARD INSPECTION & TEST PLAN (I T P ) FOR SAND PAD GENERAL NOTES:

Inspection and Test Plan(ITP) given herein is indicative only. The provisions indicated herein for stage wise inspection are minimum and the Engineer-in-Charge may decide to increase the Hold Point / Witness Point. Contractor has to prepare ITPs for any of the activities not covered herein, submit the same to HPCL and obtain their approval. Contractor to prepare required reporting formats and job procedures for

each activity i.e. Setting out of work, levels grid co-ordinate wise, submission of Sand samples meeting tender specifications along with soil lab. test report, watering, OMC, Rolling , carting away earth etc to HPCL for approval well in advance prior to commencement of activity. Any deviation to ITP shall be subjected to HPCL’s written approval. Contractor to carry out 100% examination of all activities and proper records shall be maintained and made available to HPCL Officer’s requirement at any time of inspection during the contract period.

2.0 LEGEND :

2.1 HP: HOLD POINT

A point which requires inspection/verification and acceptance by HPCL or HPCL nominated consultant like NABL approved lab/ Jadavpur University before any further processing is permitted. The contractor shall not process the activity/item beyond the Hold Point without written approval from Engineer-in-Charge.

2.2 W : Witness Point

An Activity which requires witness by HPCL when activity is performed.

2.3 RW : Review of Contractor’s Documentation 2.4 S : Surveillance Inspection by HPCL

Monitoring of observations to verify whether or not materials/items/services confirms to specified requirement. Surveillance activities may include audit, inspection, witness of testing, review of quality documentation & records, personnel qualifications, etc.

2.5 WC: 100% examination by Contractor.

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3.0 The Indicative Inspection and Test Plan(ITP) is as given below:

Sr. No.

ACTIVITY CONTRACTOR HPCL

1 SAND PAD

1.0

Preparation of Lay out drawing i.e TANK FARM B on Auto Cad basis guide line Lay Out drawing after taking “As it is “Measurements at site through survey work by Total Station for various existing facilities & Construction drawing for Sand Pad comprising Plan & Cross Section incorporating all requisite details like Co-ordinates of Temp. BM for Tk C/L, Reduce Levels etc complete as guided by HPCL & taking approval on Hard Copy before commencement of work from HPCL Engineer in Charge.

WC

HP

1.1

Fixing of Tank Centre co-ordinates with respect to HPCLB.M. as per Approved lay out vide pt. 1.0 , Setting out of various Control point & alignments per AFC drawing vide pt.1.0 , grid levels 5mx5m ,co-ordinates wise survey & recording. The readings will Be taken on same co-ordinates in subsequent activity.

WC

HP

1.2

Collection of Sand samples from various borrow areas locally, soil sample lab analysis by NABL approved lab as per IS 380 , submission to HPCL for approval with all requisite details. Sand to be approved by NABL approved lab & required data for testing at field, the relative density for compaction as per

WC

HP

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IS2720 PART XIV.

1.3

Making trial pits of base size 1.5m x 1.5m and approximately upto 1.0 m depth as approved by NABL and collecting soil samples and performing pocket penetrometer tests etc by NABL to assess the load capacity of sand pad. Reports to be prepared by NABL approved lab basis above analysis.

WC

HP

To be cleared

by NABL & approv

al by HPCL

1.4

A)Removal of debris of earlier foundation app.150 to230mm B) Taking the RL co- ordinate wise on grid of 5Mx 5M

WC

WC

HP NABL & HPCL

HPCL

1.5

(A) SAND LAYING : - 200 mm layer checking it with templates/tools at various co-ordinates & recording. - Watering the layer as guided by Procedure given NABL approved lab. (B) COMPACTION : - Procedure to be given by HPCL to achieve 85% Relative density at site - Rolling/ Compaction by Plate Vibrator the OMC watered Sand layer immediately till 85% relative density achieved. - Testing for compaction to confirm its 85% relative density achieved co-ordinate wise, Recording the levels co-ordinate wise . (Min. 1 no test per 25 sq. Mtr.)

WC

WC

HPCL

WC

WC

W

W

HP

W

HP Clearan

ce by NABL

approved lab

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- Offering Tested layer to NABL to inspect & witness to give clearance for next layer.

1.6

Construction of Sand Pad as per Construction drawing to be prepared by Contractor based on general civil detail drawing furnished in this tender duly approved by HPCL, to be executed as per 1.5 above, cutting / making of edges etc & HPCL’s Site-in – Charge instructions.

WC

W/ HP