REPAIR/MAINTENANCE CLEANING AND SANITIZATION UNDERGROUND/ OVERHEAD RESERVOIR/STORAGE TANK AND OTHER CONNECTED WORK AT SAA UNDER GE (S) TEZPUR

Amount

M&L for seven stage cleaning and sterilization of inside the RCC/ Steel Underground/semi underground/Over head/Sedmentation/clear water sumps of capacity 130000 gallons through bacteriological treatment as per the following stage, complete all as specified and as directed. Location: PH NO-1A seven stages are as under plants:- STAGE - I Mechanized Dewatering - Mechanized Dewatering should be done by submersible dewatering pump having , suitable outlet and discharge and control panel. The details of motor cable, seal , material of construction and control panel should be furnished. STAGE –II Sludge Removal – Desilting and removal of left over 4 inches dirty Water sludge with a sludge removal pump. STAGE – III High Pressure Cleaning – Cleaning of wall , ceiling , and floor by high pressure of 80-180 bars. Cleaning should be done by high pressure cleaner with following specification Fully automatic controlled, auto start –slop, imported high pressure cleaning machined having F-Class insulation protection. The heavy duty machined should be operated by HPC operator, on Continuous duty in variable fully adjustable mode from working presser of 100-180 bars. The machine should have imported twin steel core protection rubber high pressure hose to safety. With stand operating pressure of 250 bar, and Two cleaning lances, one with rotary jet and the second one , a flat jet for effective Drinking Water Tank Operation.

STAGE:IV MECHANIZED SCAVENGING: Mechanical scavenging using Eco-friendly, Health & Safety disinfecting chemical for removing rest over algae in water storage tank’s wells to insure minimum harmful pathogens.. STAGE – V Vacuum Cleaning – Removal of remaining sludge from the floor with the help of industrial vacuum cleaner . (A) Removal of remaining sludge with the help of imported heavy duty industrial vacuum cleaner and sludge sucker having maximum power of 1200 watt, with suitable heavy duty motor. (B) Imported sludge sucker should be a part of the pressure system which sucks sludge and through the same out of the tank , his must handle solid particles as well STAGE: VI ANTIBACTERIAL DISINFECTION SPRAY: Anti- Bacterial FDA recommended disinfection is fully Bio-Degradable Eco-Friendly and safe in nature and can be used as an anti-bacterial agents to disinfect the inside the walls of water storage tank. STAGE – VII UV Radiator – Treatment of inside of tank by exposing germicide UV radiator to kill further suspended or floating bacteria if any- Treatment of inside tankbe done by exposing UV radiation by imported heavy duty UV radiator. The radiator should be designed with 4 UV lamp in way to ensure 360 degrees of sterilization and should have suitable lamps for effective sterilization for a period of 8000 working hours, the radiator must be totally portable and effective for final sterilization of drinking water tanks for elimination of floating and suspended bacteria….. NOTE: (i) COMPANY WILL SUBMIT GOVERNMENT LABORATORY TEST CERTIFICATE FIX THE STICKER MENTIONING THE DATE OF CLEANING & NAME OF SITE AND ALSO PROVIDE CERTIFICATE CONFIRMING THE COMPLETION OF STERILIZATION OF WATER TANKS MENTIONING THE NAME OF STATION AND DATE OF CLEANING. ALL THE CLEANING & STERILIZATION STAFFS SHOULD BE UNDER ACCIDENTAL INSURANCE COVERAGE. (ii) Cost of staging and necessary working platform shall deemed to be included in quoted rate. (ii) Contractor shall ensure necessary safety precaution and insurance of workers during execution. (III) The quoted rates shall deemed to be included the cost of writing date of cleaning, (iv) Duration of cleaning of tank shall be 3 months.

All as per ser item No 1 above but for UG Sump of capacity 60000 gallons, complete all as specified and as directed Location: PH NO-4

All as per ser item No 1 above but for of inside UG sump reservoir capacity 25000 gallons through bacteriological treatment. Location: PH NO-6

All as per ser item No 1 above but for of inside UG Sump of capacity 25000 gallons, Complete all as specified and as directed. Location: fire fighting at 4 CDU hospital

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 100000 gallons, Complete all as specified and as directed. Location:Pump House No 1.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 50000 gallons, Complete all as specified and as directed. Location:Pump House No 2.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 50000 gallons, Complete all as specified and as directed. Location:Pump House No 3.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 35000 gallons, Complete all as specified and as directed. Location:Pump House No 3.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 100000 gallons, Complete all as specified and as directed. Location:Pump House No 4.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 100000 gallons, Complete all as specified and as directed. Location:Pump House No 5.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 10000 gallons, Complete all as specified and as directed. Location:Pump House No 7.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 25000 gallons, Complete all as specified and as directed. Location:Pump House No 7.

All as per ser item No 1 above but for of inside overhead water reservoir of capacity 50000 gallons, Complete all as specified and as directed. Location:fire fighting at 4 CDU hospital.

All as per ser item No 1 above but for open well (Inside) of capacity 100000 gallons, Complete all as specified and as directed. Location: Fire Fighting BH (Near Pump House No 1(A)

All as per ser item No 1 above but for open well (Inside) of capacity 50000 gallons, Complete all as specified and as directed. Location: Swimming pool

All as per ser item No 1 above but for Semi- underground/balancing static water reservoir of capacity 20000 gallons, Complete all as specified and as directed. Location: Swimming pool

All as per ser item No 1 above but for static sadimentation RCC water reservoir of capacity 80000 gallons, Complete all as specified and as directed. Location:Pump House No 1.

All as per ser item No 1 above but for static sadimentation RCC water reservoir of capacity 20000 gallons, Complete all as specified and as directed. Location:Pump House No 2.

All as per ser item No 1 above but for static sadimentation RCC water reservoir of capacity 15000 gallons, Complete all as specified and as directed. Location:Pump House No 3.

All as per ser item No 1 above but for static sadimentation RCC water reservoir of capacity 50000 gallons, Complete all as specified and as directed. Location:Pump House No 4.

All as per ser item No 1 above but for static sadimentation RCC water reservoir of capacity 40000 gallons, Complete all as specified and as directed. Location:Pump House No 5.

All as per ser item No 1 above but for static sadimentation RCC water reservoir of capacity 40000 gallons, Complete all as specified and as directed. Location:Pump House No 6

All as per ser item No 1 above but for static sadimentation RCC water reservoir of capacity 15000 gallons, Complete all as specified and as directed. Location:Pump House No 7

All as per ser item No 1 above but for static Clear water RCC reservoir of capacity 40000 gallons, Complete all as specified and as directed. Location:Pump House No 1

All as per ser item No 1 above but for static Clear water RCC reservoir of capacity 40000 gallons, Complete all as specified and as directed. Location:Pump House No 2

All as per ser item No 1 above but for static Clear water RCC reservoir of capacity 15000 gallons, Complete all as specified and as directed. Location:Pump House No 3

All as per ser item No 1 above but for static Clear water RCC reservoir of capacity 25000 gallons, Complete all as specified and as directed. Location:Pump House No 4

All as per ser item No 1 above but for static Clear water RCC reservoir of capacity 25000 gallons, Complete all as specified and as directed. Location:Pump House No 5

All as per ser item No 1 above but for RCC/ Steel /PVC overhead service water tank of capacity 500 ltrs, Complete all as specified and as directed.

All as per ser item No 1 above but for RCC/ Steel /PVC overhead service water tank of capacity 1000 ltrs, Complete all as specified and as directed.

All as per ser item No 1 above but for RCC/ Steel /PVC overhead service water tank capacity 2000 ltrs, Complete all as specified and as directed.

All as per ser item No 1 above but for RCC/ Steel /PVC overhead service water tank of capacity 5000 ltrs, Complete all as specified and as directed.

All as per ser item No 1 above but for RCC/ Steel /PVC overhead service water tank of capacity 10000 ltrs, Complete all as specified and as directed.

Supply fix in repair Ball brass valves bearing ISI Mark high pressure with polytene float and flynut complete including connection with existing iron pipe and brass ferrule with necessary fittings for iron pipe of 20 mm bore complete all as specified and as directed.

All as per item No 35 above but for 15 mm dia of pipe, Complete all as specified and as directed.

Supply & fixing in replacement including taking down old Tank cover for water storage tank of capacity 500/1000/2000 ltrs (cylindrical vertical with closed top) complete all as spacified and as directed.

Dismantling old unserviceable PVC water storage tank of capacity exceeding 500 ltr from any hight complete all as specified and as directed. Note- The cost of disconnecting inlet and outlet water tube is deemed to be included in the unit rate.

S & F double layered Rotational moulded polyethylene water storage tanks of capacity 500 ltrs (cylindrical vertical with closed top) hoisted and fixed in position, complete all as specified and dircted. Note- The cost of connecting inlet and outlet water tube is deemed to be included in the unit rate complete all as spacified and as directed.

Preparing the surface by removing the spalled and loose plaster materials from existing surface and removing all dust particle by washing with jet water. Then allowing the surface to dry and check for any cracks, honeycombing and other foreign particle complete all as spacified and as directed.

Supplying, providing, mixing and laying over the prepared surface with cement mortar of average 15 mm thick or as per requirements in cement mortar 1:3, mixed with bonding agent, Nitoband SBR lated @ 5 liter per 50 Kgs of cement and integral waterproofing admixture complast WL of Fosroc Chemicals @ 125 ml per 50 Kg of cement, complete all as spacified and as directed.

M&L cross arms, bracing, supports, clamps and back plate fabricated from structural steel section including nut, bolts, washers, welding, bending, cold or hot, drilling holes for bolts in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium/Black paint complete all as specified and as directed .

Excavation in trenches not exc. 1.5 Metre wide and not exc. 1.50 Metre in depth for foundation etc. or for shafts, wells, cess pits, manholes, pier holes etc. not exc. 10 Sqm on plan and not exc. 1.50 Metre in depth and getting out as in Soft/Loose Soil, complete all as specified and as directed.

Returning, Filling in, including Spreading, Levelling, Watering and Well Ramming in Layers not exc. 25 Cm as in Soft/Loose Soil, complete all as specified and as directed.

Removing excavated Material (Soil) not exc. 50.00 Metre and depositing where directed at a level not exc. 1.50 Metre above the starting point, complete all as specified and as directed.

Taking down old unserviceable 20mm bore GI/PPR pipe including all fittings such as bends, elbow and Tees etc from trenches/wall, complete all as specified and as directed.

Taking down old unserviceable 25mm bore GI/PPR pipe including all fittings such as bends, elbow and Tees etc from trenches/wall, complete all as specified and as directed.

Taking down old unserviceable 40mm bore GI/PPR pipe including all fittings such as bends, elbow and Tees etc from trenches/wall, complete all as specified and as directed.

Taking down old unserviceable 50mm bore GI/PPR pipe including all fittings such as bends, elbow and Tees etc from trenches/wall, complete all as specified and as directed.

S&F GI Pipe of 20mm bore (medium grade) inclusive of all fittings such as bends, Tee, union, elbow, reducer and Socketed etc, ISI marked, complete all as specified and as directed. (Note: Excavation and earth work if any will be measured and paid separately)

S&F GI Pipe of 25mm bore (medium grade) inclusive of all fittings such as bends, Tee, union, elbow, reducer and Socketed etc, ISI marked, complete all as specified and as directed. (Note: Excavation and earth work if any will be measured and paid separately)

S&F GI Pipe of 40mm bore (medium grade) inclusive of all fittings such as bends, Tee, union, elbow, reducer and Socketed etc, ISI marked, complete all as specified and as directed. (Note: Excavation and earth work if any will be measured and paid separately)

S&F GI Pipe of 50mm bore (medium grade) inclusive of all fittings such as bends, Tee, union, elbow, reducer and Socketed etc, ISI marked, complete all as specified and as directed. (Note: Excavation and earth work if any will be measured and paid separately)

S&F PP-R Pipe 20mm dia, SDR 7.4 & SDR 11 UV stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings, laid in trenches/fixed to wall including necessary clamps where ever required nuts, bolts, class PN 1.6 conforming to IS 14846-2000, complete all as specified and as directed.

S&F PP-R Pipe 25mm dia, SDR 7.4 & SDR 11 UV stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings, laid in trenches/fixed to wall including necessary clamps where ever required nuts, bolts, class PN 1.6 conforming to IS 14846-2000, complete all as specified and as directed.

S&F PP-R Pipe 40mm dia, SDR 7.4 & SDR 11 UV stablised and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings, laid in trenches/fixed to wall including necessary clamps where ever required nuts, bolts, class PN 1.6 conforming to IS 14846-2000, complete all as specified and as directed.

S&F Cast Iron Sluice valve of 150 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

S&F Cast Iron Sluice valve of 100 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

S&F Cast Iron Sluice valve of 80 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle with extended iron rod of 25mm dia & 3.00 m long alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

S&F Cast Iron Butterfly valve of 150 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

S&F Cast Iron Butterfly valve of 100 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

S&F Cast Iron Butterfly valve of 80 mm bore of pressure rating PN-1.6 conforming to IS : 14846 – 2000 specifications comprising of cast iron body with control assembly of flanged both ends, brass spindle alongwith iron wheel head, bolts, nuts & washers with 3mm thick rubber gaskets including taking out the old unserviceable one complete all as specified and directed.

S&F 50 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 25 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 20 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

S&F 15 mm bore Gun metal gate valve as per IS : 778-84, marked Class-2 Pressure tested 2.4 Mpa with iron wheel head, screwed both ends for iron pipes or for unions as in repair complete as all specified and as directed.

Taking up / down 150mm dia CI/GI water mains and connections/fittings of any type from trenches/ walls / floors (of any location) for replacement / re-use in old / new location/diversion, complete all as specified and directed by the Engr-in-Charge. Note: - (i) Necessary earthwork, if any , will be measured and paid separately under relevant items (ii) Lead joint and earth work shall be measured and paid separately.

All as per item No. 67 above but for 100 mm dia, complete all as specified and directed by the Engr-in-Charge. .

All as per item No. 67 above but for 80 mm dia, complete all as specified and directed by the Engr-in-Charge.

Boring under roads/paths suitable for passing the 150mm /100 mm /80 mm bore CI /DI pipe including making arrangement necessaru T&P as required complete all as spacified and as directed.

Cutting existing CI/DI pipe upto 150 mm dia in position for inserting fittings/valves including taking out residual water from the pipe line ( Excavation , earthwork joints, and jointing material shall be measured and paid for separately), complete all as spacified and as directed.

All as per item No. 71 above, but for 100 mm dia, complete all as spacified and as directed.

All as per item No. 71 above, but for 80 mm dia, complete all as spacified and as directed.

Demolation of broken valve chamber of any size/type including PCC foundation and angle iron frame with cover complete all as spacified and as directed.

M&L for Construction of brick masonary valve pit chamber of size 900x900x900mm internal dimension using sub class-'B' bricks in CM (1:6) plastering in cement mortar (1:4) externally & internally extended to 15 cm below ground level including PCC bed 10 cm thick in PCC 1:3:6 Type C2 with MS frame fabricated by angle of size 40 x 40 x 6mm complete with top cover of 3 mm thick MS sheet & locking arrangement and painting with two coats of synthetic enamel over a coat of red oxide primer including demolition of old unserviceable damged valve pit complete all as specifed and directed.

Supply and fix in replacement PP-R Gate valves (brass insert) for dia 20 mm including taking down old unserviceable Gate valve, complete all as specified and as directed.

Supply and fix in replacement PP-R Gate valves (brass insert) for dia 25 mm including taking down old unserviceable Gate valve, complete all as specified and as directed.

Developing of tube well by means of air compressor, for number of hours until sand free clear potable water is obtained including testing to get maximum yield and discharge complete all as specified and as directed. (Note : Above rate is inclusive of T & P & DHPP)

S & F in replacement of submerisible flat copper cable conductor 3 core 10 Sqmm 1100 volts grade ISI marked heavy duty, complete all as specified and as directed.

Supply, fixing and lowering of 100 mm bore GI column pipe heavy grade, 3.00 metre long, flanges at both ends, made out of heavy garde pipes of not less than 6mm wall thickness, ISI marked (IS: 3589 (1981) including necessary Nuts, bolts , gaskets etc as required, complete all as specified and as directed.

Supply, fixing and lowering of 80 mm bore GI column pipe heavy grade, 3.00 metre long, flanges at both ends, made out of heavy garde pipes of not less than 6mm wall thickness, ISI marked (IS: 3589 (1981) including necessary Nuts, bolts , gaskets etc as required, complete all as specified and as directed.

Taking out of old unsv GI plate earthing from existing position , dismantling the same complete all as spacified and as directed. Note Only Earthing material goes to schedule of credit except GI strip

M&L Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6.00 mm thick burried in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI Strip of 32X6mm as earthing lead by means of bolts, nuts, check nuts and washers of GI or steel, GI strip proected by 40 mm bore light grade GI pipe and other end connected to earth test point as directed including funnel with watering pipe 20 mm bore light grade galvanised iron, wire mesh, charcoal or coke common salt laid in alternative layer of 15 cm (complete thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1, 50 mm thick pre-cast RCC (1:2:4) type B-1 normal mix cover slab reinforced with 8 mm dia TMT bar 10 cm c/c bothways and single handle of 10 mm dia round bar including necessary excavation, earth work etc. in soft / loose soil and disposal pf soil to a distance n. exc. 50 m and necessary testing on completion all as shown in electrical plate No. 3 MES Schedule Part-I complete all as specified and as directed.

S&F GI earth Strip 32x6mm fixed on wall or buried in ground or any other indicated position, complete all as specified and as directed. Note 1:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount. Note 2-Contractor's supervisor and main worker would wear shirt/T-shirt of colour sky blue/brown/yellow preferable embossed with contractor's firm name while carrying out any activities in defence area for better check of security purpose. Note 3:-The tenderer (all eligible contractors) shall ascertain the taxes & levies as on date. The subject tender caters all the taxes & levies as on date including the latest notification of GST issued as on date ( issued by Central Board of Indirect Taxes and Customs)

D G Corporation (BID ID -3450975)

M/S SEWAK SINGH (BID ID -3455242)