construction of chain link fencing and construction of paver block footpath at ak block footpath within ward no . 29 under bidhannagar municipal corporation . , earth work in excavation of foundation trenches or drains , in all sorts of soil ( including mixed soil but excluding laterite or sandstone ) including removing , spreading or stacking the spoils within a lead of 75 m . as directed . the item includes necessary trimming the sides of trenches , levelling , dressing and ramming the bottom , bailing out water as required complete . ( a ) depth of excavation not exceeding 1 , 500 mm . , single brick flat soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand . , supplying & laying as per irc-sp:063-2004 paver unit of any shade of approved quality as per relevant is code , laid in pattern as directed in pavement , footpath , driveway ( paver block only ) , etc including necessary underlay complete in all respect with all labour and material . [border concrete if necessary to be paid separately] . note: sub-grade cbr should not be less than 5 . ( b ) 50 mm thick interlocking designer concrete paver block m-30 grade for non-traffic zone , buiding premises , garden , parks , domestic drive as per is: 15658-2006 ( over 20-30 mm medium sand bed on 200mm thk bound gnaular /granular base course including cost of sand for sand bed but excluding cost of base course & subgrade preparation . ) ( ii ) coloured decorative , m . s . structural works in roof trusses with tubular sections conforming to is: 806-1968 & is: 1161- 1998 cnnected to one another with bracket , gusset cleats as per design , direction of engineer-in-charge complete including cutting to requisite size , fabrication with necessary metal arc welding conforming to is: 816- 1969 & is: 9595 using electrodes of approved make and brand conforming to is:814- 2004 , haulage , hoisting and erection all complete . the rate includes the cost of rolled steel section , consumables such as electrodes , gas and hire charge of all tools and plants and labour reqired for the work including all incidental chages such as electricity charges , labour insurance charges etc . for trusses spanning up to 12 . 00 m , ordinary cement concrete ( mix 1:1 . 5:3 ) with graded stone chips ( 20 mm nominal size ) excluding shuttering and reinforcement if any , in ground floor as per relevant is codes . ( i ) pakur variety , supplying , fitting , fixing , chain link fencing of approved quality with r . c . c posts wooden posts or iron posts by means of galvanised c clips to grid of horizontal strands of galvanised high tensile spring steel wire of 12 s . w . g which have to be tensioned and fixed to the vertical posts by means of galvanised special clips , bolts and nuts etc . 75 mm . x 75 mm . x 6 g . , priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc . , painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc . including using of approved putty etc . on the surface , if necessary : on steel or other metal surface : with super gloss ( hi-gloss ) - ( ii ) two coats ( white in shade ) , two coats ( with any shade except white )