REPAIR/ REPLACEMENT OF EXTERNAL WATER SUPPLY SYSTEM AT PANGODE MILITARY STATION TRIVANDRUM

Amount

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out in hard/dense soil for removing/laying of DI/UPVC pipes all as specified and directed.

Returning filling in including spreading, levelling, watering, well ramming in layers not exceeding 25cm in soil all as specified.

Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5mtr above the sorting point all as specified.

S& F in repair cast iron sluice valve 150mm dia bore heavy duty with steel spindle and bronze gate and seating rings both end flanged and drilled comprising IS 780 of 1984 type PN 1.6 ISI marked including suitable rubber gasket joints, grid packings with suitable nuts and bolts and grouting materilas including taking down old UNSV one from site of work complete all as specified.

All as per ser item No. 4 here-in-before but for 100mm dia.

All as per ser item No. 4 here-in-before but 80mm dia.

Taking down old U/S NRV, S&F NRV cast iron of size 100mm dia flanged, class PN 1.0 including nuts bolts, washer and gasket complete with by pass arrangement all as directed.

All as per ser item No. 7 here-in-before but 80mm dia.

Supply, laying, connecting and testing UPVC high pressure pasted pipe all as per ASTM - 1785 sch 40 , with working pressure upto 10 Kg/cm2 size 80mm dia including all fittings laid in trench including taking down existing all as sepcified.

All as per ser item No. 9 here-in-before but 50mm dia.

All as per ser item No. 9 here-in-before but 40mm dia.

All as per ser item No. 9 here-in-before but 25mm dia.

All as per ser item No. 9 here-in-before but 20mm dia.

S&F in repairs gun metal gate valve with ISI mark IS-778 Class-I of size 50mm dia wheel head screwed both ends suitable for fitting of UPVC pipe all as specified and directed.

All as per ser item No. 14 here-in-before but 40mm dia

All as per ser item No. 14 here-in-before but 25mm dia

All as per ser item No. 14 here-in-before but 20mm dia

S&F in replacement of CI foot valve flange type of 100mm dia with flap & weight plate sheet and jointing with & including rubber gasket 6mm thick including 12mm dia, 50mm long bolts with nuts & washers complete all as specified and directed. Make: RMCo or equivalent

Repair of valve chamber of 1200x1200x1200mm (internal diamension).by cleaning and removing small bushes inside and surrounding the valve chamber and necessary brick works, plastering, in cement mortar 1:4 white washing inside and out side, including dismantling of unserviceable MS sheet cover, S&F new MS sheet cover 5mm thick with two coat of synthetic enamel paint over a coat of red oxide to steel surface all as directed.

All as per ser item No. 19 here-in-before but of size 900x900x1200mm.

All as per ser item No. 19 here-in-before but of size 600x600x750mm.

Cleaning the valve chamber of size 1200x1200x1200mm by removing water, bushes and any other unwanted materials and painting the MS sheet cover top and bottom with two coat synthetic enameled paint over a coat of red oxide primer and brick wall portion inside and outside with two coat of anti fungal paint all as directed

All as per ser item No. 22 here-in-before but of size 900 x 900x1200mm

All as per ser item No. 22 here-in-before but of size 600x600x750mm

Dismantling the mono block/centrifugal pump set 20/15 HP capacity by opening nuts, bolts and washer from mounting channel and also dismantling suction and discharge pipe for carring out pump repair/rewinding of motors and refixing including transportation to and fro workshop complete all as directed.

All as per ser item No. 25 here-in-before but capacity of 7.5/5 HP capacity.

M&L for opening up 20 HP motor carefully and removing burnt windings from slots, cleaning the slots carefully, re-winding the stator winding with appropriate gauge of copper winding wire as recommended by manufacture including all type of insulating materials, testing and commissioning complete all as directed.

All as per ser item No. 27 here-in-before but for 15 HP motor.

All as per ser item No. 27 here-in-before but for 7.5 HP motor.

All as per ser item No. 27 here-in-before but 5 HP motor .

Disconnection and taking down old UNSV star delta starter of any size and type and S&F new fully automatic star-delta starter at 415 volts, 3 phase having operating relay range-20 to 32 Amps enclosed in sheet metal enclosure complete including all fixing arrangement and making electrical connections, suitable for 20 HP motor complete all as directed. Make: L&T ML 2.0 FASD or equivalent

All as per ser item No. 31here-in-before but having relay range-13 to 21 Amps and suitable for 15 HP motor Make: L&T, Model-ML 1.5 FASD

All as per ser item No. 31 here-in-before but having relay range-9 to 14 Amps and suitable for 7.5/5 HP motor, Model-MK 1 FASD

Supply and fix pressure gauge 100mm dia siphon tube and brass cock complete all as directed

Removing grass and bushes growing in water supply installation Location No. 1, Over head tank and pump house area at PTP Nagar (Approximate Area 600 Sqm) complete all as specified and directed by the Engr-in-Charge. NOTE: Unit rate quoted deemed to include to keep installations neat and clean through out the period of contract.

Removing grass and bushes growing in water supply installation Location No. 2, Poojapura Pump House and over head tank area(Approximate Area 800 Sqm) complete all as specified and directed by the Engr-in-Charge. NOTE: Unit rate quoted deemed to include to keep installations neat and clean through out the period of contract.

Removing grass and bushes growing in water supply installation Location No. 3, Over Head Tank at MAP Site 'A' and flag staff house area (Approximate Area 200 Sqm) complete all as specified and directed by the Engr-in-Charge. NOTE: Unit rate quoted deemed to include to keep installations neat and clean through out the period of contract.

Removing grass and bushes growing in water supply installation Location No. 4, 36 ORs Pump House Area (Approximate Area 400 Sqm) complete all as specified and directed by the Engr-in-Charge. NOTE: Unit rate quoted deemed to include to keep installations neat and clean through out the period of contract.

Removing grass and bushes growing in water supply installation Location No. 5, Main pump house at pangode area (Approximate Area 1000 Sqm) complete all as specified and directed by the Engr-in-charge. NOTE: Unit rate quoted deemed to include to keep installations neat and clean through out the period of contract.

Removing grass and bushes growing in water supply installation Location No. 6,MAP JCOs pump house at pangode area (Approximate Area 200 Sqm) complete all as specified and directed by the Engr-in-charge. NOTE: Unit rate quoted deemed to include to keep installations neat and clean through out the period of contract.

Removing grass and bushes growing in water supply installation Location No. 7,NEW MAP JCOs pump house at pangode area (Approximate Area 400 Sqm) complete all as specified and directed by the Engr-in-charge. NOTE: Unit rate quoted deemed to include to keep installations neat and clean through out the period of contract.

Dismantling and opening up 20HP mono block/centrifugal pumpset carefully and cleaning the impellers, greasing the bearings replacing damaged bearings if any, replacing the complete gaskets, reassembling the pumpset testing and commissioning complete all as directed

All as per ser item No. 42 here-in-before but for 15 HP monoblock pump set

All as per ser item No. 42 here-in-before but for 7.5 HP monoblock pump set

All as per ser item No. 42 here-in-before but for 5 HP monoblock pump set

Supply only Calcium based high strength Chlorine granular (60% - 65%) disinfactant for water treatment, packing in 45 kg plastic drums, use one per 4 months. Make: Aquafit or equivalent

M&L for wire mesh covering with suitable clamps for air vent pipes and over flow pipes of size 4" all as directed

All as per ser item No. 47 here-in-before but of size 6"

M&L for preparation of rust surface and applying two coat of approved colour of super enameled paint over a coat of red oxide primer paint to 20HP centrifugal pump set and 20 HP mono block pumpset including painting to mounting channel, NRV suction and delivery pipes complete including numbering MES/SM No complete all as specified.

All as per ser item No. 49 here-in-before but 15HP Monoblock pump set

All as per ser item No. 49 here-in-before but 7.5/5HP Monoblock pump set

Supply and Laying, connecting and testing CI Pipes class LA laid in trenches size 150mm dia including taking down existing complete all as directed

All as per ser item No. 52 here-in-before both end flanged with necessary nut bolts and making connections including taking down existing complete but of size 100mm dia

All as per ser item No. 52 here-in-before but 80mm dia

Supply and Laying, connecting and testing GI Pipes laid in trenches of size 100mm dia medium grade including taking down existing complete all as directed

M&L for connecting CI Detachable joints of size 150mm dia including washers, nuts & bolts complete including taking down existing all as directed.

All as per ser item No. 56 here-in-before but 100mm dia

All as per ser item No. 56 here-in-before but 80mm dia

M&L in repair for water level indicator for semi UG sump 1 Lakh ltrs capacity at pump house , preparation of rust surface ,applying two coats of synthetic enamelled paint over a coat of red oxide primer and marking of scales including replacement of steel rope , copper float , wheels and pullies, caliberated scales etc including marking the caliberated scale for quantity of water available in the UG sump all as specified and directed.

M&L in repairs earthing complete with galvanised steel electrode 600 x 600x 6.3mm thick burried directly in ground earth pit not less than 2.25 mtr deep below ground level with top edge of earth plate not less than 1.5 mtr below ground level, earth plate connected GI strip 25 x 4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 of SSR-2010 (Part-i) connecting to earth point and testing on completion with and including 40mm bore light grade GI protection pipe (7.5 mtr long) for earth including PCC (1:2:4) type B1 cover , 40mm thick reinforced with 8mm dia TMT bars 100mm both ways with lifting hooks made out of 8mm dia TMT bars, watering arrangement with funnel, wire common salt, charcoal filling, necessary excavation and earth work in any type of soil complete all as specified.

General Engineering and Constructions

JEETH CONSTRUCTION