MAINTENANCE, REPAIR AND CLEANING OF FRESH WATER RESERVOIRS, PUMP HOUSE INCLUDING PUMP HOUSE COMPLEX AND CERTAIN MISC WORKS AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Material and labour for cleaning of clarifier cum sedimentation tank after every three month including dewatering by pump set to drain out chamber and removing upto 5 feet dirt, sediments etc., by using wire brush and other means from clarifier /inner/outer side walls inside/out-side chamber of clarifier including applying one coat of white wash on inner walls of clarifier complete all as specified and as directed (clarifier -01 NO)

Material and labour for cleaning of semi underground sump of 2.5 lakhs gallon capacity at Main pump house after every six month and removing all scales, dirt and sediments etc., by using wire brush or other means from the floor and side walls of semi under-ground sump including washing the entire sump with bleaching powder complete all as specified and as directed (Sump 2.5 GLN-04 Nos)

All as per item No 2.00 above, but for under ground water sump capacity up to 0.8 lakhs ltrs (Bldg No SSS,DSC Block,DAS,20 MOUT,).(04 Nos)

All as per item No 2.00 above, but for under ground water sump capacity up to 2.27 lakhs ltrs (west wall sump,10 berth sump,old dock sump).(03 Nos )

All as per item No 2.00 above, but for under ground water sump capacity up to 1.5 lakhs ltrs (Low lift sump ).(01 NO)

All as per item No 2.00 above, but for under ground water sump capacity up to 1.25 lakhs ltrs (DMC sump ).(01 No)

All as per item No 2.00 above, but for over head reservoir of capacity 1.25 lakhs gallons.(hill top) (06 Nos)

All as per item No 2.00 above, but for over head tank capacity 1.25 lakhs ltrs (DMC, , 15 Bldg).(02 Nos)

All as per item No 2.00 above, but of 1.25 lakhs ltrs capacity O/H tank. (Recycle Tank) (01 No)

All as per item No 2.00 above, but for over head tank capacity 2.27 lakhs ltrs (West wall O/H,10 berth O/H, Old Dock ) (03 Nos).

All as per item No 2.00 above, but of 2.5 lakhs ltrs capacity collection chamber with channel (01 NO)

All as per item No 2.00 above, but of .5 lakhs ltrs capacity of back wash tank above filter bed bldg (01 NO)

All as per item No 2.00 above, but of water chanel 1.2 lakh ltr cap from filter bed to low lift sump.

All as per item No 2.00 above, but weekly cleaning, removing of all muds of filter back wash chanel including recycle tank at Filter plant

Chemical and biological testing of raw water from NABL accredited laboratory and submit the test report to the Engineer-in-Charge complete all as specified and as directed (sample to be collected from inlet source at FWPH)

Chemical and biological test of treated water from NABL accredited laboratory and submit the test report to the Engineer-in-Charge omplete all as specified and as directed. (sample to be collected from low lift pump house at FWPH)

Cleaning monthly entire pumping installation bldgs inside & outside walls, ceiling, floor, cable trench, pathway, doors, windows, drains by brooming, removing webs, cleaning of floors with wiper, Cutting /cleaning of wild vegitation etc in and around water supply installation premises and location including disposal of spoil to a distance not excluding 50 mtr outside the installation for the SSS fire pump house omplete all as specified and as directed

All as per item No 17.00 above but for DSC fire pump house

All as per item No 17.00 above but for 20 Mout fire pump house

All as per item No 17.00 above but for DMC pump house

All as per item No 17.00 above but for Old dockyard

All as per item No 17.00 above but for West wall pump house

All as per item No 17.00 above but for 10 bearth pump house

Cleaning of entire Fresh water pump house complex daily comprising Pump house office, SCADA Room, Main Pump House, Filter House, Low lift Pump House, Chlorine room, 5 LG Sump-2 Nos, Clerifier, Recycle tank, Recycle pump house, including removing of wild vegitaion around buildings, building internal cleaning of wall, roof, floor, maintenance and dressing of entire garden around buildings, watering of plants, cleaning of all outside walls of valve chambers, retaing wall, 5LG sump outside walls, trimming of grass/wild vagitation inside entire pump house complex, cleaning of filter bed wall, bed wash channel, washout channel, inner and outer wall of clarifier channel, Alumn mixing chamber, Chlorine mixing chamber, Raw water channel including removing fungus on wall/ full of all channel every day basis

Taking down unserviceable foot valve of size 200 mm bore from the suction line and supply, fix, testing and commissioning of CI foot valve 200 mm bore flanged type including replacing of bolts, nuts, washers and rubber gasket with new ones complete all as specified and as directed

Taking down unserviceable foot valve of size 150 mm bore from the suction line and supply, fix, testing and commissioning of CI foot valve 150 mm bore flanged type including replacing of bolts, nuts, washers and rubber gasket with new ones all as specified and directed

Taking down unserviceable foot valve of size 100 mm bore from the suction line and supply, fix, testing and commissioning of CI foot valve 100 mm bore flanged type including replacing of bolts, nuts, washers and rubber gasket with new ones complete all as specified and as directed

Taking down unserviceable foot valve of size 80 mm bore from the suction line and supply, fix, testing and commissioning of CI foot valve 80 mm bore flanged type including replacing of bolts, nuts, washers and rubber gasket with new ones complete all as specified and as directed

Taking down unserviceable Non return valve of size 200 mm bore from the line and supply, fix, testing and commissioning of NRV 200 mm bore flanged type including replacing of bolts, nuts, washers and rubber gasket with new ones complete all as specified and as directed

Attending electrical complaints of electrical pump set/ starters/LT panels provided inside Dockyard , decarbonizing the , replacing lugs, wornout screws, nuts, bolts and washers, tightening the loose connections, replacement of contactors, timers whereever required and restore the power supply all as directed. Note : (i) Replacement of spares viz meters/ CTs,MCCB ,contracts,breakers , ACBs , starters will be measured and paid for separately as supply only and labour element for taking down the replaced spares shall be deemed to include in the unit rate quoted. (ii) If the No of complaints to be attended in a starter panel/LT panel is more than 01 No in a day, altogether the complaints is considered only 1 (one). (iii) The contractor has to engage qualified electricians and helpers in sufficient Nos to attend and rectify the defects.

Painting after preparation of old painted external wall surface of valve pits located along the main road with one coat of white wash at every 3 month complete all as specified and as directed

Painting after preparation of old painted external wall surface of pole copings located along main road with one coat of white wash at every 3 month complete all as specified and as directed

Painting of old painted steel surface of valve pits located along main road with one coat of synthetic enamel paint of existing tint at every 3 month complete all as specified and as directed

Painting of old painted steel surface including necessary preparation of 20 HP / 150 HP pump set with one coat of synthetic enamel paint complete all as specified and as directed

Painting of old painted steel surface including necessary preparation of 1 HP to 10 HP pump set with one coat of synthetic enamel paint complete all as specified and as directed

Cutting /cleaning of wild vegitation etc in and around water supply installation/hill top reservior premises and location including disposal of spoil note a distance not excluding 50 mtr outside the installation complete all as specified and as directed

ADITYA CONSTRUCTIONS

M/S S K ENGINEERS

HARISH CONSTRUCTION

TANEESH CONSTRUCTIONS

SATYAM ENGINEERS

M/S EVEREST INFRA