div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page1jpg target=_blank img data-url=documentwith-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: with IS 1077-1970 Para 521 shall be within following limits 20 bricks arranged on level surface lengthwise in contact With each other shall measure within 350 to 410 Cms 20 bricks loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader043fdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page2jpg target=_blank img data-url=documentwith-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: with IS 1077-1970 Para 521 shall be within following limits 20 bricks arranged on level surface lengthwise in contact With each other shall measure within 350 to 410 Cms 20 bricks loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader043fdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page3jpg target=_blank img data-url=documentwith-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: with IS 1077-1970 Para 521 shall be...