PROTECTION WORK AT KHURAL NALA BRIDGE NEAR NEWLAND SSB CAMP WITHIN NKS GP UNDER KUMARGRAM BLCOK IN THE DISTRICT ALIPURDUAR

Excavation for structures Earthwork in Excavation for foundation of structures upto 3 m depth as per drawing and technical specification clause 1104 for rural roads of MORD including setting out consatruction of shoring & bracing, removal of stumps & othee delettrious matter, dressing os sides & bottom & back filling with approved materials

Earthwork in excavation from borrow pits (land owned/arranged by the Department) and depositing in layers of 250 mm. including breaking clods in embankment works and to fill up back of abutments, depressions and ruts with an initial lead up to 50 m and initial lift up to 1.5 m making bunds at top as directed dressing complete. (Borrow pit measurement) II )

Boulder appron laid in wire crates Providing & laying boulder appron laid in weir crates made with 4mm dia GI wire conforming to IS 280 & IS 486 in 100mm x 100mm mesh (weaved diagonally) incl 10% extra for laps & joints laid with stone boulder weighing not less than 40 kg each

Providing and laying Design Mix concrete for Plain / Reinforced Cement Concrete in any part of foundation of bridge /culvert with graded stone chips of appropriate nominal sizes , including screening and cleaning of coarse aggregates, fine aggregate (sand) conforming to proper grading zone , both of approved quality and cement , as necessary , cost of curing with water ,including cost and carriage of all materials and including preparation of design mix, approval of the same by the Engineer-in charge , cost of quality control, sampling , testing etc all complete but excluding cost of formwork and reinforcement works. B). RCC grade M-20 with 22.4 mm size well graded river bazree using concrete mixer.

Hire and labour charges for Shuttering with or without staging upto 4.0 m height using approved stout props with wooden planks/ ply board/ steel sheet plate with required bracing for any kind of plain or reinforced concrete works in all sorts of minor structure including culvert, box culvert, cross-drain etc. the rate is inclusive of fitting, fixing and striking out after completion of work as per specification and direction.ii) Where staging is not required.

Supplying and laying Polythene Sheet (150gm / sq.m.) over damp proof course or below flooring or roof terracing or in foundation or in foundation trenches.

Providing & fixing Sign Board as per IRC specification of size 1200 x 900 x 37 mm. thick made with RCC 1:1½:3 with pakur variety stone chips reinforced with double layer IRC febric (75 x 75 mm. mesh) and fixed with necessary nuts & bolts on two RC precast posts 100 mm. x 150 mm. of height 2.65 m. of which top 750 mm. is of section 100 x 13 mm. and 1.90 metre above GL & 0.75 metre below GL including digging hole, repacking the same with cement concrete 1:3:6 with jhama khoa or with local stone chips etc. complete including painting two coats on both faces lettering sign marks etc. as per direction of the Engineer-in-Charge. (The rate is inclusive of cost of reinforcement, concrete, shuttering, nuts & bolts, washer etc. complete.)

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