tender for Emergent Repair Of Underground Pump Well At Netaji Park, Howrah Station Area With Other Allied Work For Water Supply To The Different Office Under The Jurisdiction Of Hsrd, Rb Sector, Kmda - 1 Taking out pipes of existing tube well including strainer etc. complete for portion of length . Upto 20 mtr. Below G.L. (vi) 200 mm dia. 2 Taking out pipes of existing tube well including strainer etc. complete for portion of length . Upto 20 mtr. Below G.L. (vi) 200 mm dia. 3 Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (A) PVC Pipes . (Dia) 100 mm. 4 Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (A) PVC Pipes . (Dia) 200 mm. 5 Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (A) PVC Pipes . Socket (Dia) 100 mm. 6 Supply of PVC pipes & fittings Schedule 80 (medium duty) conforming to ASTMD - 1785 and threaded to match with GI Pipes as per IS : 1239 (Part - I). (A) PVC Pipes .Socket (Dia) 200 mm. 7 Supplying PVC strainer of approved make with adapter conforming to I.S.12818 specifications.(iv) 100 mm dia. 8 Cleaning and removing mud upto 2000 litre water Tank including masonary reservoir 9 Polythene Bib Cock / Stop Cock with plastic inlet (EMCO / ATLAS or equivalent) 10 Supplying, fitting and fixing CPVC (Chlorinated Polyvinyl Chloride) pipes of approved make conforming to IS-15778: 2007 . with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials.(ii) CPVC Pipes Class-2,SDR-13.5. 50 mm dia. 11 Supplying, fitting and fixing CPVC (Chlorinated Polyvinyl Chloride) pipes of approved make conforming to IS-15778: 2007 . with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials.(ii) CPVC Pipes Class-2,SDR-13.5 . 15 mm dia. 12 Supplying, fitting and fixing CPVC (Chlorinated Polyvinyl Chloride) pipes of approved make conforming to IS-15778: 2007 . with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, fitting, fixing etc. complete in all respect including cost of all necessary fittings as required,jointing materials in any position above ground. (Payment will be made on the centre line measurements of total pipe line including all specials. No separate payment will be made for accesories, specials.(ii) CPVC Pipes Class-2,SDR-13.5 . 20 mm dia. 13 Dismantling all types of masonry excepting cement concrete plain or reinforced, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m.a) In ground floor including roof. 14 Picking up and removing old bituminous layer or sand sealing coat from old black topped surface and cleaning the exposed surface by scraping and stacking the material as directed.(a) By manual means :(ii) From 50 mm to 100 mm thick. 15 Dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. In ground floor including roof.(a) upto 150 mm. thick 16 Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand. 17 Ordinary cement concrete (mix 1:1.5:3) nominal size with graded stone chips (20mm. excluding Shuttering and reinforcement, if any, in ground floor as per relevant IS Code. Pakur Variety. 18 Surging of existing tube well with chemical treatment and bucket wash (prior to use of compressor machine) and developing the tube well with compressor machine at least 3 (three) days at 8 (eight) hours per day till the yield is obtained at least by 75% of the total specified yield of the tube well (measured by V notch tank) and draw down is within the permissible limit of 10% variation and water so obtained after such washing and developing will be free from sand and bacteria for which test report from the Public Analyst is to be obtained. (The rate is inclusive of all labour and materials including hire charges of tools and plants and cost of materials.) (b) For tube well of size bigger than 100mm dia. with top enlargement to have yield of 6000 gallons per hour. 19 Surging of existing tube well with chemical treatment and bucket wash (prior to use of compressor machine) and developing the tube well with compressor machine at least 3 (three) days at 8 (eight) hours per day till the yield is obtained at least by 75% of the total specified yield of the tube well (measured by V notch tank) and draw down is within the permissible limit of 10% variation and water so obtained after such washing and developing will be free from sand and bacteria for which test report from the Public Analyst is to be obtained. (The rate is inclusive of all labour and materials including hire charges of tools and plants and cost of materials.) (b) For tube well of size bigger than 100mm dia. with top enlargement to have yield of 6000 gallons per hour. For additional period. 20 Supplying, fitting and fixing in position G.I. pipes of TATA make for underground works with all necessary accessories,specials viz.socket, bend, tee, union, cross, elbow, nipple, short piece etc.including cost of all materials,jointing materials ,cutting pipes,making threads,cutting trenchesupto 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting on G.I. pipes and specials with bituminous paint complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.Payment for painting will be made seperately)i) 15 mm dia. medium quality 21 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. 22 (A) Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) 23 Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm. (for water lines only). 50mm dia. 24 Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg per sq. cm. (for water lines only). 20mm dia. 25 Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge. 26 Add GST @ 18% on Rs. 12024106.99 i.e. Total amount over Item No. 01 to 38 27 Add Labour Welfare Cess @ 1% on Rs. 14188446.25 i.e. Total amount over Item No. 01 to 39
