8423 OUTSOURCING OF SERVICES FOR FILTERATION PLANT AND REPAIRS TO FIRE FIGHTING PUMP HOUSE AND ALLIED WORKS AT TECHNICAL AREA UNDER AGE (I) RnD NSTL, VISAKHAPATNAM

Amount

Outsourcing of services for operation of filtration plant (vertical pressure sand filters) of capacity 60 Cum/hour with One Semi-skilled Pump Operator and one un-skilled valveman in General shift of 08 hours on all days excluding Sundays & Public Holidays consisting of pump house room, machines, control panels etc. at NSTL technical area including daily maintenance of log book/log sheets for plants, replacement of worn out minor spares with new such as gland packings to pump motor sets and various valves, control panel fuses, sluice valve stuffing box nut bolts of required sizes, gaskets for various valves complete including opening/ closing of water supply valves located in NSTL Technical area all as specified and as directed by Engineer in charge.

M&L for disconnecting the 7.5HP pump and taking out existing old motor and taking to the workshop for repair and opening the stator of the motor, cleaning the stator with CTC, preparing the surface and filling the slot with suitable insulating material like paper, fibre sleeves, tapes, rewinding with Super enamelled copper conductor of same gauge and no. of turns, varnishing, heating and replacing motor terminal block and shaft bearing complete, testing and reassembling after repairs to the motor and replacing of the corroded nuts and bolts of the pumpsets/mechnical glands arresting the leakages for specified and as directed by Engineer-in-charge.

M&L for removing of unserviceable foot valve of size 150 mm dia and S&F CI flanged type foot valve heavy duty ISI marked with gasket,nut bolt etc. (Make : Lakshmi/Zoloto/Neta)

All as per Item No. 3 herein before but 80mm dia

Material and labour for complete removal of NRV inspection cover of the 150 mm dia, draing out of the water complete from the chamber with external pump and replacement of the flap cover gasket, corroded nuts and bolts, by pass line of size 15/20mm GI pipe with gate valve complete fixing and testing all as specified and directed.

Material and Labour for removal of sluice valve Spindle and casing of the 150 mm dia, draing out the water complete from the chamber with external pump and replacement of the cover gasket, Spindle cotton tape/gland packing along with corroded nuts and bolts, complete fixing and testing all as specified and directed.

M&L for carrying out repairs to existing sluice valve chamber of inner size up to and including 0.9mx0.9m complete by removing small plants, bushes from inside/out side the valve chambers, cleaning internal/external wall surfaces, refixing loose valve chamber cover frame by grouting, plastering internal/external walls with cement mortar 1:3 including filling up damaged portion with precast cement concrete solid block masnory 1:3:6 type C1 in cement mortar 1:4 complete all as directed.

Material and Labour for supply and fixing of Star Delta Starer for 7.5 HP Mono block pump set Type MK 1 FASD of L&T complete fixing and testing all as specified and directed.

S&F in repairs ML 4 pole contactors AC operated rating at 415 Volts, AC1 45 Amps rating with 2NO+2NC auxiliary contacts with operatable coil voltage 24 volts to 415 volts AC/DC with front/side mounted Add on blocks as per site requirement.(Make: ABB Siemens/Schneider/L&T

S&F in repairs Thermal overload relay, 30-45 to 75 Amps, direct mounted on contactors. (Make: ABB or equilant in GE/L&T MN5)

Supply only bleaching powder

Removing the existing flanged joints and replacement of rubber or fiber board gasket and refixing the nuts and bolts and jointing complete for CI flanged pipe of 150mm bore all as specified by Engineer-in-charge.

Removing the existing flanged joints and replacement of rubber or fiber board gasket and refixing the nuts and bolts and jointing complete for CI flanged pipe of 100mm bore all as specified by Engineer-in-charge.

Supply and fix cast iron sluice valve of size 150mm bore, class PN 1.6, long body type, with SS spindle, both ends flanged with holes, provision of nuts, bolts & washers, rubber gaskets etc. with CI wheel, fixed to CI water mains, and including taking down existing unserviceable CI sluice valce complete all as specified and directed.

M&L for fire hydrant valve single headed of 63 mm dia including taking down of unserviceable eisting fire hydrant valve, complete all as specified and directed by Engr-in-charge

Taking down existing u/s corroded hose box including M&L for hose box made of 18 gauge MS sheet 800mmx600mmx250mm with double door with 4 mm thick glasses and door frame made of 16 gauge MS sheet painted fire red outside and brilliant white insideyard complete all as specified and as directed by Engr-in-charge.

M&L for applying two coat of synthetic enamel (fire red) paint over a coat of red oxide primer externally of fire hydrant pipe of size 80/100 mm dia of bore including scraping existing treatment complete all as specified and as directed by Engr-in-charge.

M&L for applying two coat of synthetic enamel paint(fire red) over a coat of red oxide primer outside and brilliant white inside the box including scraping existing one complete all as specified and as directed.

Taking up or down MS ERW pipe of size 150mm/100mm and connections complete from any location/position of the following including for re-fixing or remove to store.

M&L for MS ERW pipe of size 150 mm laid in trenches or fixed to wall, ceiling, floor with necessary fixtures complete as directed by Engr-in-charge

M&L for MS ERW pipe of size 100 mm laid in trenches or fixed to wall, ceiling, floor with necessary fixtures complete as directed by Engr-in-charge

Supply and fix Butterfly valve 150 mm dia including taking down u/s existing butterfly valve complete all as specified and directed.

Supply and fix Butterfly valve 100 mm dia including taking down u/s existing butterfly valve complete all as specified and directed.

Supply and fix Branch pipe gun metal 63 mm instantaneous inlet, made threaded outlet, 15 mm bore nozzle short.

Supply and laying in trenches GI pipe medium grade with and including fittings such as bend elbows, tees, short pieces, connectors, back nuts diminishing pieces, caps plugs and union etc of size 80 mm dia bore.

All as per above, item No 25 but 50 mm dia bore

All as per above, item No 25 but 40 mm dia bore

All as per above, item No 25 but 25 mm dia bore

Taking up or down steel tubing and connections, including cleaning or removal to store of size 25 mm to 80 mm.

Supply and fix gunmetal, globe or gate valves with iron wheel head screwed both ends for iron pipe and fixed for 50 mm dia bore.

Supply and fix gunmetal, globe or gate valves with iron wheel head screwed both ends for iron pipe and fixed for 25 mm dia bore.

Dismanting the existing damaged valve pit and construction of vlave pit size 110cmx110cmx90cm (internal dimesnsions), brick construction, including all necessary excavation and earth work in hard/loose soil, returning, filling in disposal of surplus spoil to distance not exceeding 50m and depositing where directed, PCC in foundation of the mix 1:4:8, type D-2, (using 40mm graded crushed aggregate) brick masonry in cement mortar 1:4, rendering 12 mm thick in cement mortar 1:4, internally, finished even and fair and pointing flush externally as the work proceeds in the same mortar mild steel frame, MS steel cover 3.15 mm thick with handle and locking arrangement, painting all the exposed M.S work with two coats of synthetic enamel paint of the tint over a coat of red oxide primer and painting all the M.S embedded in PCC with two coats of black bituminous paint complete all as specified and directed by Engr-in-charge.

Supply and replace water pressure gauge dial type up to 10kg/cm2 complete all as specified and as directed. (Make: H-Guru/Donfoss)

M&L for complete painting of the pumping installation of filtration plant including connected valves and pipe lines consisting 3x7.5HP centrifugal pump sent and starters with control panel, LT Panel complete with one coated synthetic enamel paint of existing tint all as specified and directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation of pole or laying of pipein trenches etc and getting out in hard/dense soil complete all as specified and as directed by the Engineer-in-Charge.

Returning, filling in, including spreading levelling, watering and well ramming in layers not exceeding 25 cm in soft / loose soil complete all as specified and as directed by the Engineer-in-Charge.

Removing excavated materials to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point all as specified and as directed by the Engineer-in-Charge.

MVV Prasad

sri sai ram constructions

Sri Surya Enterprises