REPAIR AND MAINT INTERMEDIATE SEWAGE PUMP HOUSE SAND FILTER, CARBON FILTER, FILTER MEDIA AND CONNECTED ITEMS AND ALLIED WORKS AT LGJ MIL STN

Amount

Taking out outlived MBBR media from MBBR tank of size 07 mtr dia x 5 mtr deep by mannual or mechanical and cleaning of media by clear water and removing dirt/silt inside the media,including cleaning of MBBR tank, sludge removal and after cleaning of media refilling MBBR media, cleaning of air grid pipe removal of debries, capture and clear blockage of existing aeration pipe including replacement of unserviceable rubber membrane aire diffuser disc complete all as directed by Engineer -in - Charge . (Note -New MBBR media shall be measured and paid separately)

Supply and fill fresh MBBR media - small cylindrical shaped (approximate height - 16mm, diameter - 22 mm) polyethylene carrier having specific gravity between 0.94 and 0.96 complete material as per existing complete all as speecifie abd directed by Engineer -in - Charge . (Note- Contractor shall submit the sample in bottle of media before approval)

M&L taking out all filter media (Sand and stone) from dual filter of approx dia 4.00 mtr , duly cleaning/washing and segregation, refilling back complete all as specified and as directed by Engr-in-Charge. (Note -New media shall be measured and paid separately)

Supply and fill filter media (Sand and stone) at dual filter of approx dia 4.00 mtr complete all as specified and directed by Engr-in-Charge. (Note- Contractor shall bring filter media as per sample provided by the department and the same will be submit before approval)

M&L taking out all filter media from activated carbon filter media of approx dia 4.00 mtr, duly cleaning/ washing and segregation, refilling back except activated carbon granules complete all as specified and as directed by Engr-in-Charge.

Supply and filling in replacement in layers activated carbon granules media in suitable size as per existing layer thickness suitable for Activated Carbon Filter complete all as specified and directed by Engineer-in-charge. (Note- Contractor shall submit the sample before approval)

S&F in replacement GI bar screen as per site requirement with clear opening of not more than 40mm as per sample or as per direction complete all as specified & directed by Engineer-in-Charge.

S&F, in replacement, direct on line motor starter 415V coil suitable for 5 HP- 7.5 HP, overload relay range-2.4-3.8 Amp, complete with SS enclosure complete all as specified and directed by Engineer-in-Charge.

S&F in replacement DI pipe of size 200 mm dia K-9 including taking out existing with all joinery items and fittings, complete all as specified and directed by Engineer-in-Charge.

Supply and laying HDPE pipe PN-10 of size 150/160 mm in trenches complete with fittings all as specified and as directed. Make Supreme or its equivalent.

Supply and laying HDPE pipe PN-10 of size 100 mm in trenches complete with fittings all as specified and as directed. Make Supreme or its equivalent.

Supply and laying HDPE pipe PN-10 of size 50 mm in trenches complete with fittings all as specified and as directed. Make Supreme or its equivalent.

Supply and laying in laying in walls/ceilings/floors GI pipe medium grade (ISI Marked) including fittings such as bends, elbows, socket etc. of size 15 mm dia complete all as specified and directed.

M & L DI fittings ISI marked such as bends (any type, radius any angle) tapers any type (straight or bend), increasing, decreasing or double socket etc) Tee pieces single branch, double branch,cross(all sockets and socket and spigot) collars, caps and plugs tail piece size upto 150mm dia confirming to IS 1538/1993 complete all as specified and directed.. It is the responsibility of contractor to repair any type of leakage within 24 hrs to avoid wastage of water. If there is any lapse in repair Rupees 500/- per day basis will be recovered from the contractor.

Supply and fix UPVC Ball Valve of size 50mm dia all as specified and directed by Engr-in-charge

Supply and fix cast iron foot valve of size 100mm dia all as specified and directed by Engr-in-charge

M&L for brick work with sub class "B" bricks, straight or curved on plan exc 6m mean radius,built in CM 1:6 using old size brick,complete all as specified

Supply and fix chain pulley block of capacity 3.00 ton, manually operated, heavy duty having safety lock, Alloy Steel Lifting chain, heavy duty Alloy steel load chain of length 50 feet all as specified and directed by Engr-in-Charge

Supplying, laying in trenches or passing through pipes, ducts or drawn across roads/paths/drains of fixed along poles/walls/floor etc, including connecting up, testing and commissioning of Cross Linked Polyethylene (XLPE) insulated, Screened, PVC bedded, Galvanized steel strip armoured electric power cable, heavy duty, with aluminium conductor 1100 Volts 50 Sqmm 3.5 Core all as specified and directed.

Excavation in trenches n-exe 1.5 m depth and 1.5 mtr width and getting out in Hard/dense soil complete all as specified and as directed.

Returning and filling including spreading, leveling, watering and well remming in layer n-exc 25 mm thick in hard/dense soil complete all as specified and as directed.

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

Supply and laying double wall corrugated pipe (DWC), non-metallic, Resistance to Compression : Type 450, Resistance to Impact: Normal, Resistance to Bending : Pliable, Resistance to External Influence: Ingress Protection : IP 67, Resistance against Corrosion : Without Protection, Resistance to Flame Propagation : Non Flame Propagating, Nominal outside diameter 90mm and inner dia 76 mm conforming to IS 16205 (Part 24) : 2017 complete all as specified and as directed.

Supply and fix Butterfly valve of size 100mm all as specified and directed by Engr-in-Charge

S&F in replacement gun metal globe/ gate valve of size 15 mm bore with iron wheel head, screwed both ends ISI marked complete all as specified and directed by Engineer-in-Charge

M&L for providing Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth strip 25X4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point including GI pipe 40mm dia for protrction of earth lead, necessary excavation/earth work in any type of soil with wire mesh and watering pipe 20mm dia, PCC pit with Cover complete including testing on completion.

AJAY CONSTRUCTION COMPANY (BID ID -3498687)