REPAIR REPLACEMENT AND CLEANING OF RAW AND TREATED WATER TANKS CLEANING OF SERVICE TANKS AND REPLACEMENT OF CONNECTED ACCESSORIES AT NEW CANTT UNDER GE GANGTOK

Amount

Cleaning and removing all scale, dirt and sediments etc using by wire brush and other means from the floor and side walls of semi underground sump of 3 lakh gallons consisting of two compartments of each size 18m x 12m x 3.4m at Filter House including washing the entire sump with bleaching powder and apply two coats of snowcem water repellant cement paint to the inner side of the semi underground sumps after taking out the sediments materials, water etc within the tank including writing letters/figures boldly and solidly "TANK CLEANED ON_____ (Date of cleaning)" with two coats of synthetic enamel paint (1st grade quality) having a height of letter 5cm with obliterating the old one complete all as specified and directed. Note:- Necessary de-watering pumps, ladder, safety belt, air blower, gloves and any safety equipment required for execution of the job shall be included in the Rate quoted.

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 1.20 Lacs gallons (Approx inner Size 12.8x9.00x4.80m.)

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 1.00 Lakh gallons (Approx inner Size 12.8x7.80x4.70m.)

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 80,000 gallons (Approx inner size 10.40 x 6.95 x 5.20m)

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 1.00 Lakh gallons (Approx inner size14.00 x 7.0x 5.00m)

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 1.0 Lakh gallons of approx size 12 Mtr dia and 4.2 Mtr depth at Filter House.

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 20,000 gallons of approx size 6.0 Mtr dia and 3.0 Mtr depth at Filter House.

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 10000/12000 gallons of approx size 6.2 Mtr dia and 2.0 Mtr depth . ( UG Sump No -14,07 )

All as per item No 1.00 here-in-above but for semi under ground water sumpof capacity 10,000 gallons of approx size 6.0mx5.0x2.0 m at Zone – VII area. ( UG Sump No 15,16,16A & 17).

All as per item No 1.00 here-in-above but for semi under ground water sumpof capacity 12000 gallons of approx size 9.00 Mtr x 3.00mtr x 2.00mtr at Helipad area. ( UG Sump No -2,3,4,5,6,9,10,11,13 )

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 1.20 Lakh Liters of approx size 8.0mx8.0x2.0m at Sig Regt

All as per item No 1.00 here-in-above but for Fabricated tank of capacity 10,000 Liters of approx size 3.00 x 1.50 x 2.20 Mtr at MAP site1 & MAP site2 but applying two coats of snowcem water repellant cement paint to the inner side of the Fabricated tank not required.

All as per item No 1.00 here-in-above but for Sedimentation tank of capacity 1,20,000 Litres at Pump House Burdong

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 1,00,000 Litres at 17 Mtn Dou Burdong

All as per item No 1.00 here-in-above but for semi under ground water sump of capacity 10000 Litres

All as per item No 1.00 here-in-above but for Over head reservoir of capacity 25,000 gallons at a staging of 8 Mtr height (Approx size of reservoir 5.00mtr dia and 4.6 mtr height)

All as per item No 1.00 here-in-above but for Over head reservoir of capacity 20,000 gallons at a staging of 8 Mtr height (Approx size of reservoir 5.00mtr dia and 4.0 mtr height) at 17 Mtn Dou Burdong

Cleaning and removing all scale, dirt and all algae formation and removing the accumulated silt from bottom bed and side walls by burshing with Nylon brush, removing other sticky or foreign materials from adhering surfaces and washing inside surfaces of RCC/PVC water tanks including washing the entire tank with bleaching powder within the tank including writing letters/figures boldly and solidly "TANK CLEANED ON_____ (Date of cleaning)" with two coats of synthetic enamel paint (1st grade quality) having a height of letter 5cm with obliterating the old one for 250/300 Ltrs Capacity water tank complete all as specified and directed. Note:- (i) Necessary de-watering pumps, ladder, safety belt, air blower, gloves and any safety equipment required for execution of the job shall be included in the Rate quoted. (ii) Periodicity of cleaning the service tank will half yearly.

All as per Item Ser No 18.00 here-in-before but for 500 ltrs capacity water tank

All as per Item Ser No 18.00 here-in-before but for 1000 ltrs capacity water tank

All as per Item Ser No 18.00 here-in-before but for 2000 ltrs capacity water tank

All as per Item Ser No 18.00 here-in-before but for 5000 ltrs capacity water tank

Supply and fix in repairs ball valve, high pressure of PTMT with epoxy coated aluminium rod and high density plastic ball, screwed for 15mm bore of GI pipe (minimum weight 142 gms) complete all as specified and as directed.

Taking down old rusted/damaged 15mm dia bore GI tubing and replacing with new GI tubing medium grade (ISI marked) laid in trenches/laid under floor including all new fittings such as elbow, union, reducer, tees, bends etc and short length complete all as specified and as as directed.

All as per Item Ser No 24.00 here-in-before but for 20mm dia bore

All as per Item Ser No 24.00 here-in-before but for 25mm dia bore.

M&L for replacement of gun metal gate valves of size 20mm bore (ISI marked) with iron wheel head screwed both ends for iron pipe and fixed complete all as specified and as directed.

M&L for replacement of gun metal gate valves of size 25mm bore (ISI marked) with iron wheel head screwed both ends for iron pipe and fixed complete all as specified and as directed.

Cutting/cleaning of bushes, plant and grass sapling etc removing from the ground in and around filter house, UG sump premises and walk way hilltop and around over head reservoirs including disposal of cleared material upto a distance not exc. 50mtr outside the perimeter of filter house complete all as specified and as directed.

M&L for painting to steel/iron surfaces with first coat of red oxide primer and applying two coats of coal tar epoxy paint of approved colour complete all as specified and as directed.

Burning and taking out defective/unserviceable lead joints of 300mm dia CI pipe line and making new lead joints by providing lead, spun yarn etc complete all as specified and as directed.

Excavation trenches not exceeding 1.5m wide and not exceeding 1.5m depth for laying/repairs to pipe line and getting out in any soft/soil complete all as specified and as directed.

Returning, filling in, excavated soil including spreading, leveling, watering and well ramming in layers int exc 25cm complete all as specified and as directed.

Removing surplus excavated soil not exceeding 50m and depositing where directed at level not exceeding 1.5m above starting point complete all as specified and as directed.

Removing fungus from inner and outer walls of clarifier plant and removing mud from bed wash channel and alum mixing chamber including filter plant drain out chamber and cleaning inside outside of filter bed complete all as specified and as directed.

M&L for servicing of defective CI foot valve of size 80mm dia by taking the same from suction line submersed in water and replacing unserviceable bolts, nuts, perished gasket and cleaning the foot valve including connecting back the foot valve to the suction pipe line including leak test complete all as specified and as directed.

Supply, fixing and commissioning of star delta starter fully automatic suitable for 10HP motor complete including taking down old unserviceable starter complete all as specified and as directed.

Supply, fixing and commissioning of DOL starter suitable for 5HP motor complete including taking down old unserviceable starter complete all as specified and as directed.

S&F cast iron Y-type strainer of 50mm dia flanged both sides, PN-16 with stainless steel (SS 304) perforated sheet screen (dia 1mm perforation) in guided in body and cover, test pressure (Hydrostatic) shell of 24 Kg/cm2g) including taking down old unserviceable complete all as specified and as directed.

S&F cast iron Y-type strainer of 80mm dia flanged both sides, PN-16 with stainless steel (SS 304) perforated sheet screen (dia 3mm perforation) in guided in body and cover, test pressure (Hydrostatic) shell of 24 Kg/cm2g) including taking down old unserviceable complete all as specified and as directed.

S&F cast iron Y-type strainer of 100mm dia flanged both sides, PN-16 with stainless steel (SS 304) perforated sheet screen (dia 3mm perforation) in guided in body and cover, test pressure (Hydrostatic) shell of 24 Kg/cm2g) including taking down old unserviceable complete all as specified and as directed.

KAMLESH ENTERPRISE (BID ID -3482837)

M/S ANIL KUMAR THAKUR (BID ID -3482748)

KARMA TSETEN BHUTIA (BID ID -3483942)

MAHENDRA KHAWAS (BID ID -3483567)

NISHA CONSTRUCTIONS (BID ID -3483364)

DHARMINDER SINGH (BID ID -3483489)