div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page1jpg target=_blank img data-url=with-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=1 data-page=1 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page2jpg target=_blank img 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bricks arranged on level surface lengthwise in contact With each other shall measure within 350 to 410 Cms 20 bricks loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page4jpg target=_blank img data-url=with-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page5jpg target=_blank img data-url=with-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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bricks arranged on level surface lengthwise in contact With each other shall measure within 350 to 410 Cms 20 bricks loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails9jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page10jpg target=_blank img data-url=with-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails10jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page11jpg target=_blank img data-url=with-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails15jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page16jpg target=_blank img data-url=with-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5thumbnails16jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imagea href=https:reader043vdocumentsusreader043viewer20220408215e69bcaf3cebfb748a3c4e4chtml5page17jpg target=_blank img data-url=with-is-1077-1970-para-521-shall-be-within-following-limits-20-bricks-arrangedhtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: 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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC 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