Construction of 60 MLD raw water pumping station on Kushawati river at Quepem, strengthening of SIP canal and upgradation of the Davorlim pumping station to supply uninterrupted raw water to drinking water treatment plant PART II

Amount

SUB- ESTIMATE NO. I : Conveying and laying of Risig Main of Dia 800 mm DI Pipe from CH 3.00 to 11.00 Km from Kushawati to Davorlim Pumping Station Earthwork in excavation by mechanical/ manual means in all types of strata comprising any of the materials such as soil, silt, sand, clay, gravel, morrum of all varieties, Shingles, pebbles and all types of conglomerates laterite rock, soft rock ordinary rock, disintegrated rock fissured rock, weathered rock shattered rock, decomposed rock and all such other materials either in full or in parts as the case may be adopting any approved method or methods as may be convenient or permitted including chiseling, wedging etc blasting prohibited in all conditions such as dry, moist, saturated, submerged, foul conditions etc. including pumping and bailing out water including setting out construction of shoring and bracing in removal of stumps and other deleterious material, dressing of sides and disposing off the remaining excavated soil/ rock as directed by Engineer-in-charge for all leads and all lifts etc. complete

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: a) All works upto plinth level

Providing and laying in position (1:11/2:3) Reinforced cement conrete excluding the cost of centering, shuttering, finishing and reinfrocement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size) All works upto plinth level

Centering & shuttering including Strutting, Propping & removal of forms for a) Foundations, Footings, Bases for columns

Providing TMT steel reinforcement bars of (SAIL, TATA. VIZAG, JSW Steel Ltd.)(Confirming to IS 1786 of 1986) for RCC work (conforming to I.S. 1786 of 1986) including bending, binding & placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.

Supplying at store or site of work including railway freight, carting, loading and unloading, stacking etc. Centrifugally cast, (spun) ductile iron pressure pipes (with socket/spigot ends) conforming to IS : 8329-2000 with cement mortar lining inside the pipe and outside zinc coat as per IS : 8329-2000 with up to date amendments suitable for jointing with rubber gasket known as TYTON joints. Class K-9 . Nominal Diameter in mm 800

Manufacturing and supplying at site of work welded MS pipes of finished ID of suitable lengths made out of fabricating, welding forming 'V' edge to both ends of the pipes sides including providing and fixing welding etc. of suitable MS hinges conforming to relevant IS codes, stresses induced due to trench conditions, backfilling class 'A' traffic loading, handling temperature variation etc. testing the pipeline to a field test pressure of 25 kg /cm2 as directed by Engineer-in-charge. (the finished internal dia. is to be considered without cement mortar lining /Epoxy painting). B) 12 mm thick (plate welded) Dia in mm d) 800

1100 mm dia x 12 mm thick m.s.casing pipe jacking method Road crossing excluding cost of supply of m . S.pipe

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. Cast iron double flanged manually operated Sluice Valve,generally conforming to IS:14846 - 2000, having body, door, dome, wedge in graded cast iron to IS:210 Gr. FG 200, four faces and spindle nut of leaded tin bronze to IS:318 Gr. LTB 2, inside screw of non-rising stainless steel AISI 410 ,spindle, flanges drilled to IS: 1538 Table 4 & 6. Valves tested by closed end method only (350mm and above will be fitted with BTB and Spur gear box and back seat bush.) etc complete TYPE P.N. 1.6 (Class A ) Dia in mm 800

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. IVC / Kirloskar / Fouress brand Cast Iron double flanged single door swing non-return valve generally conforming to IS:5312 part-I, having body, door, cover in graded cast iron to IS:210 Gr. FG 200, body Ring in leaded tin bronze IS 318 GR LTB2 and door ring in natural rubber & bearing block of leaded tin bronze to IS:318 Gr. LTB 2 ( 350 mm & above ), hinge pin of stainless steel AISI 410, Flanges drilled to IS:1538 Table 4 & 6 TYPE P.N. 1.6 (Class A) Dia in mm 800

Supply at store or site of work including railway freight, carting, loading, unloading, stacking etc. Ductile Iron pipe specials including rubber ring fitting push on joints conforming to IS : 9523 with inside cement mortar lining & externally coated with zinc with finishing layer of bituminious paint complete. M.J. Collar Nominal Diameter in mm. 800 mm dia

Double socket branch flange Invert tee 800 mm X 150 m

Double Socket Bend 90 Degree Nominal Diameter in mm 800

Double Socket Bend 45 Degree Nominal Diameter in mm 800

Double Socket Bend 22.5 Degree Nominal Diameter in mm 800

Double Socket Bend 11.25 Degree Nominal Diameter in mm 800

Flanged Socket m) 800

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. cast iron kinetic double orifice air release valve, generally conforming to IS:14845/2000, having small orifice elastic ball resting on a gunmetal orifice nipple and large orifice vulcanite ball seating in a moulded seat ring, with built in kinetic features, isolating sluice valve confirming to IS:14846 mounted in a horizontal position and operated by meter wheel gearing, all nuts /bolts shall be of carbon steel of ss , the flanged shall be drilled and faced as per IS1 538 (Part 4 & 6 ). TYPE P.N. 1.6 (Class A) Dia in mm 150 mm

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true to line and level and perfect linking of joints a) Cast iron or Ductile iron or A.C. or S & S or flanged & PVC pipes.

S&S flanged/plain ended specials

Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the joints,for pushon tight joints including the cost of work force, tools, hydraulic testing of joints etc complete as per the direction of the engineer in charge. Double socketed specials such as bends, collar couplings etc Nominal Diameter in mm 800

Making flanged joints for C.I./D.I. Pipes and specials with rubber insertion, nuts and bolts including necessary hydraulic testing etc. complete including cost of rubber insertion nuts and bolts,as directed by the engineer in-charge. Nominal diamter in mm. 800

Jointing of C.I/D.I pipes and specials with rubber gaskets (TYTON joints) EPDM type including cleaning the socket and spigot ends with kerosene oil/below lamp and applying soft soap to socket and spigot ends before inserting for rubber gasket jacking and fixing in proper condition including cost of rubber gasket, oil, soft soap and hydraulic testing of jointing as per IS:3144-1985. Nominal diamter in mm 800

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 m and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Supplying of laterite stone soling of size 150-200 mm size and murrum having P.I. Value not more than 6 and laying including packing with smaller stones and consolidation with power road roller including spreading, watering and consolidation of binding material etc.(Measurements shall be considered on finished item).

Fixing C.I. Tamper proof Kinetic double orifice type air valve. Small orifice elastic ball resting on bronze orifice nipple and large orifice vulcanite ball resting on moulded seat ring with built in Kinetic features of isolating sluice valve of rating P.N. 1.6 with ISI mark mounted on a horizontal mounting operated by metered wheel gear suitable for working pressure of 10 kg / sq. cm Nominal dia imm d) 150 mm

Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc .complete as directed as per IS:2685-1971 CLASS II & III. Nominal diamter in mm. 800 mm dia

Cutting of cast iron / ductile iron pipes by mechanical grinder working on electricity, including the cost of hire charges of mechanical grinder, diesel operated electrical generator set, suitable for supplying power for the grinder for cutting, cost of grinding blades , skilled work force, fuel etc required for completion of job as per the direction of Engineer- in -charge Dia in mm 800

Supplying at store or site of work including railway freight, carting, loading,unloading, stacking etc. cast iron spring loaded right angle type pressure relief valve having body, cover & crosshead of cast iron, valve & seat of gunmetal, spindle of brass working in gunmetal bushes in cover, stay rods of mild steel with spring of best quality spring steel, cast iron hand wheel for adjustment with necessary pointer and index, flanges drilled to IS:1538 Table 4 & 6. Valvessuitable for a maximum blow off pressure of 10 kg/cm2 at the site of work. TYPE P.N. 1.0 (Class A) Diameter in mm 150 mm

SUB ESTIMATE II : Strengthening of existing canal of Salaulim Irrigation Project Demolishing cement concrete 1:3:6 or richer mixincluding disposal of material within 50 m lead.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: a) All works upto plinth level

Providing and laying 100mm thick reinforced cement concrete canal lining with M20 design mix RMC (Ready Mixed Concrete) of cement content not less than 400Kg/m3 laid with sensor controlled automated canal paving cylinder type machine to the required grade, level and alignment. The RMC to be manufactured with Ordinary Portland Cement manufactured in fully automatic batching plant and transported to site of work in transit mixer having continuous agitated mixer, manufactured as per mix design of specified grade for reinforced cement concrete work including pumping of RMC from the transit mixer to the site of laying including the cost of centering, shuttering finishing and HYSD/TMT steel reinforcement of 8 mm tor dia @180 mm c/c in both directions as per drawing enclosed confirming to IS 1786 of 1986, cost of admixtures in recommended proportions as per IS : 9103 to accelerate/retard setting of concrete, improve workability without impairing strength and durability including adequate curing filling of joints with bituminous sealing compound in construction and expansion joints/groove as per IS code 3873-1978 with all lead and lift, all included as per the detailed specifications, drawings and as directed by Engineer-in Charge complete.

Providing and laying laterite boulder masonry 22.50 cm thick of approved quality in cement mortar 1:5 (1cement:5 sand) in canal section including supply of boulder, excavation and preparing surface etc. complete as per detailed specification , drawing with all lead and lift and as directed by the Engineer-in-charge.

Earthwork in excavation in aqueduct portion, in saturated soil upto a depth of 1.5 m lift upto 3.0 m including shoring, strutting and pumping or bailing out water including necessary lighting arrangement ,scoop oxygen etc.disposal of excavated earth including lead & lifts disposed earth to be neatly dressed and leveled complete and as per the direction of Engineer in charge etc.

Providing & grouting by Poly Ceramic Cementitious material which consists of NicGrout G 06 + 53 grade cement or equivalent as per requirement to reduce the porosity of concrete / Masonry structure and to increase the strength of structure using grouting pipes, grouting m/c, mixer etc. and all relevant safety with all leads and lifts, material, machinery, labour, etc. Complete as per specification and as directed by Engineer-in-Charge.

Providing & Applying impermeable, high compressive strength, monolithic application, excellent bond strength, high abrasion resistance, UV resistance, non-toxic polymer based cementitious mortar named as Poly Ironite Ceramic Cementitious (PICC) ,which consists of Nicomix 100 + 53 Grade Cement + Water for resurfacing of concrete surfaces to a thickness upto 10 mm or as per surface conditions and also treatment of honey combing areas etc. Cleaning will be done by removing all loose particles, dust particles or any other foreign material/particles using manual or mechanical means. After that, clean the concrete surface with special chemical named as Steripure 100 for removing of algae fungi followed by High Pressure Water Jet and Compressed Air blower. Apply bond coat a Water Miscible epoxy named as Kelox R101 + Kelox H 404 or its equivalent (using manual/mechanical means) before PICC application, it ensure strong adhesion with old surface to new PICC mortar. Application providing with Top coat of NicCoat PC + Kelmer A 80 or its equivalent after finishing PICC,Complete as per specification including cost of all materials, machinery, labour,insurance charges as directed by the Engineer in charge.

Providing & Applying internal expansion joints filling by polysulphide base material, preformed polyurethane, elastomer , bond breaker and fixing metal plate of aqueduct ,Cleaning will be done by removing all loose particles, dust particles or any other foreign material/particles using manual or mechanical means. After that, clean the concrete joint with special chemical named as Steripure 100 for removing of algae fungi followed by High Pressure Water Jet and Compressed Air blower of required depth, After cleaning resize the joint using PICC mortar, Apply bond coat a Water Miscible epoxy named as Kelox R101 + Kelox H 404 or its equivalent (using manual/mechanical means) before PICC and Pu foam application, it ensure strong adhesion with old surface to new surface . complete with all leads and lifts etc complete as per specification and as directed by engineer-in-charge.Complete as per specification including cost of all materials, machinery, labour,,insurance charges as directed by the Engineer in charge in expansion joints.

12mm cement plaster 1:3 (1 cement : 3 fine sand)

SOUTH EAST CONSTRUCTIONS COMPANY PVT LTD (BID ID -40271)

Laxmi Civil Engineering Services Pvt Ltd (BID ID -40259)