Kerala Water Authority Tender

OD111355/2023-2024:Electrical connection shifting

OD143015/2023-2024:Lifting existing motor pumpset from borewell

18.12.6:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work50 mm dia nominal bore

OD114180/2023-2024:Foundation:- 2.10 m dia 0.60m height ferrocement ring filling by earth consolidation, concreting using CC 1:4:8 10 cm thick. Wall :- Ferrocement readymade wall shell type 2.10m dia having an average of thickness of 25 mm and height 2.40m Roof :- Ferrocement ready made done type roof. Door:- M.S. door with necessary fittings 90x210cm size painting with synthetic enamel paint two coats after priming coat including supplying a pad lock. Ventilators : M.S ventilators with grill of size 0.9x 0.40m . Painting with synthetic enamel paint two coat after priming coat fitted above the door. White washing:- Two coats with cement water proof paint two coats on all sides of pump house.

18.17.6:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :80 mm nominal bore

OD140069/2023-2024:Supply, erection, testing and commissioning of KWA pre-qualified reputed make upto 5 HP Submersible borewell Pump sets with discharge 8 m3/hr against 90 m head with Bronze/SS impeller, SS shaft and CI pump casing with suitable type base plate with coupling, coupling guard foundation bolts & nuts etc. complete suitable for coupling the pump and motor above the base plate etc. complete including providing suitable concrete foundation including cost of cement sand and metal etc. complete. (2) MOTOR Supply, erection, testing and commissioning of KWA pre-qualified reputed make Horizontal solid shaft foot mounted TEFC squirrel cage induction motor suitable for the above pump working 3 phase 50 Hz AC supply, working voltage 415 V/3300 V (select the suitable). The motor shall confirm to IE2/IE3 as per IS 12615-2018 including providing suitable concrete foundation including cost of cement sand and metal etc. complete For 3300V motors digital motor protection relay shall be included in starter as per present CEA regulation. Flexible coupling shall be used for coupling of pumps and motors. (3.) STARTER - Supply, erection, testing and commissioning of suitable rating (Fully Automatic starter with air break contact for less than 100 HP and for above 100 HP FCMA starters to be used.) starter suitable for the above motor with over voltage and under voltage protection, single phase preventor, over load relay with motor protection relay with main contact and bypass contact as per IE rules and code of practice etc.complete.Starter compactable for automatic pump operation. (4) Panel board (suitable ) for operating two pump sets but one pump set at a time) - Supply, erection, testing and commissioning of cubical type floor mounted MS fabricated dust and vermin proof common control panel board consisting of 1 No. suitable capacity MCCB as incomer and 2 Nos of suitable capacity MCCB as out going (The two MCCBs are interlocking with each other) providing suitable size Aluminium bus bar inter connect the above MCCBs and fitted with 3 Nos of indicator lamps, 1 No. volt meter with selector switch, 1 No. Ammeter with selector switch etc. Complete and provided with a common earth bus for the entire panel and inter connect with the MCCBs as per IE rules and code of practice. The panel shall be fitted on a common base frame on suitable foundation. (5). CABLING WORK - Supply, laying, testing and commissioning of suitable size (50 sq. mm) XLPE cables for the above pump set from panel board to starter and from starter to motor , considering energy conservation. (6) .EARTHING - Supply of all materials and providing suitable earthing by using suitable size pipe/plate earthing GI/copper strip buried in ground and giving double earthing to motor, starter, panel board etc. as per IE standards. (7). CAPACITOR - Supply, erection, testing and commissioning of heavy duty APP capacitor for the motor to get a power factor above 0.95. The capacitor shall confirm to IS 2834 (8) VALVES- Supply of suitable size best quality heavy duty ISI marked CI double flanged sluice valve and Non return valve with suitable pressure rating. Fitting of valves shall include proper RCC support especially for Non return valves, In case of positive suction pump set sluice valve should be in suction as well as delivery sides for easy repair works. (9). SUCTION AND DELIVERY PIPE CONNECTIONS - Supply and fitting of suitable size best quality MS /CI pipe of thickness not less than 8 mm for a total length of 10 m. Suitable for the above pump set and suitable size foot valve and connecting the suction pipe and valve with suitable flanges, nut and bolts IR sheet etc. complete and connecting the delivery side of the pump with the valves and suitable specials to connect with the pumping main. If the dia of suction pipe is above 80 mm CI pipes & specials shall be provided.

OD140127/2023-2024: Shifting service connection from the existing Water connection line to newly laid 160/110/90/75/63/50 mm PVC line including earth work excavation in all kinds of soil for exposing the existing Water connection line including concrete / tar cutting, dismantling the damaged saddle piece and closure the old line with 20 mm GI Plug,cutting and removing damaged portion of pipe line,fixing new saddle piece,Supply & laying 20 mm ASTM Schedule 80 pipe in extend or reduce the existing length and connecting with existing pipe line,testing the line to the required test pressure, rectifying any defects noticed and refilling the trenches using excavated earth in layers not exceeding 20 cm depth including consolidating each layers by ramming, watering, removing the surplus soil from the work site, without causing any damages to any other utilities, including the charges of hire and conveyance of tools, plants and materials to the leak site, bailing out water, lighting, watching, ribbon fencing, caution boards, traffic diversion, including cost of pipe and saddle piece and as per the direction of departmental officers etc. complete.

OD141153/2023-2024:Shifting the consumers water connection/Public tap connection after disconnecting from the removed pipe line by using 20mm ASTM /UPVC pipe with all specials, solvent cement, saddle piece up to 90 mm pvc /AC line, 20mm GM valve-1No including all labour charges for all works with trace out work, cost of all materials etc complete.

OD112498/2023-2024:Deduct cost of scrap - demolished pump house

Appendix B - Replacing of old pipe -Working charges

100.1.1:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in all kinds of soil.

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

100.9.8:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 90 mm nominal outside diameter pipes.

18.12.8:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work80 mm dia nominal bore

100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals.

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Appendix C - Cost of materials

OD112384/2023-2024:Add 3% for cost of pvc specials

100.98.223:Supply of PVC Pipe, 8kg/cm2, 90mm Dia.

OD143304/2023-2024:50 mm GI HD coupler

Bleaching powder storage unit

2.6.1:Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil

2.25:Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

4.1.8:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size)

5.1.3:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

5.22.1:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelMild steel and Medium Tensile steel bars

5.9.1:Centering and shuttering including strutting, etc. and removal of form for:Foundations, footings, bases of columns, etc for mass concrete

50.6.2.1:Solid block masonry using pre cast solid blocks (Factory made) of size 30x20x15 cm or nearest available size confirming to IS 2185 part I of 1979 for foundation and plinth with thickness 15cm in: CM 1:6 ( 1 cement :6 coarse sand) etc complete

11.3.1:Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate)finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.40 mm thick with 20 mm nominal size stone aggregate

12.1.2:Providing corrugate G.S. sheet roofing including vertical/ curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete ( up to any pitch in horizontal / vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.0.80 mm thick with zinc coating less than 275 gm/m2

13.1.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

10.5.1:Providing and fixing 1 mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer.Using M.S. angels 40x40x6 mm for diagonal braces

13.37.1:White washing with lime to give an even shade:New work (three or more coats)

10.16.3:Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.Electric resistance or induction butt welded tubes