Renovation/Upgradation of 150 KLD STP at 28th Bn ITBP ,Jatusana, Rewari

STEEL WORK

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

FINISHING

Painting with acid proof paint of approved brand and manufacture of required colour to give an even shade:

One or more coats on old work

Finishing walls with Acrylic Smooth exterior paint of required shade:

Old work (Two or more coat applied @ 1.67 Itr/ 10 sqm) on existing cement paint surface

REPAIRS TO BUILDING

Repair to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of Engineer-In-Charge.

Non-Schedule Items

Replacement of multigarded sand media along with un loaading & filling into the Activated carbon filter as per direction & approved sample of engineer in charge

Replacement of activated cabon media along with unloaading & filling into the Activated carbon filter as per direction & approved sample of engineer in charge

De- sludging and Cleaning of Aeration Tank ,Complete draining/dewatering of aeration tank, Removal of accumulated biological sludge, scum, grit and settled solids, Manual and mechanical cleaning of tank floor, walls and corners, Washing of existing PVC aeration pipelines to expose diffuser points ,Safe disposal of sludge as directed by Engineer-In-charge

Supply, installation, testing and commissioning of inert media for adsorption and TSS removal, suitable for use in advanced eco reactor of STP, including unloading of media, filling into the reactor, proper leveling and commissioning, complete, as per directions of Engineer-in-Charge.

SITC of organic biosorption media (slow-release carbon rich material) in advanced eco reactor, including unloading and filling, complete, as per direction of Engineer-in-Charge.

Cleaning & Unclogging of Existing PVC Aeration Pipelines, Internal flushing of PVC laterals and headers using water/air, Removal of biological scaling and deposits, Ensuring clear airflow up to diffuser connection points and as per Direction of Engineer-in-charge

Dismantling & Removal of Choked / Damaged Diffusers, Removal of old clogged diffuser nozzles / caps / porous outlets, Cleaning of threaded / socket joints on existing PVC lines, Shifting of dismantled diffusers outside tank

Supply & Installation of New Diffusers (On Existing PVC Lines), Supplying new fine/coarse bubble diffuser units compatible with existing PVC fittings ,screw-type / clamp-type / push-fit as applicable), Fixing diffusers at existing locations on PVC laterals, Ensuring uniform spacing and vertical alignment ,All fittings, clamps, gaskets, Teflon tape, consumables included

Rewinding of 3 HP Mono Block motor, including insulation, varnishing, baking, re-assembly and testing, complete, with old copper taken as buy-back, as per directions of Engineer-in-Charge.

Rewinding of 2 HP Mono Block motor,, including insulation, varnishing, baking, re-assembly and testing, complete, with old copper taken as buy-back, as per directions of Engineer-in-Charge.

Rewinding of 1.5 HP Mono Block motor,, including insulation, varnishing, baking, re-assembly and testing, complete, with old copper taken as buy-back, as per directions of Engineer-in-Charge.

Repairing and reshaping up to the 3 HP Mono Block motor pump head in internal rotating disk with filling and reshaping on lathe machine all respect up to the satisfaction of engineer in charge. Including all charges.

"De- sludging and cleaning of Collection / Equalization Tank and Intermediate screen/ Transfer Tank (before aeration)including removal of accumulated grit, scum, sludge and muck from tanks and connected inlet/outlet pipelines, by loosening and raking of settled sludge, dilution with water where required, pumping out of sludge using suitable solid-handling submersible pumps, cleaning and flushing of pipelines, washing and cleaning of tank walls and floors, and removal and disposal of sludge and waste material at designated location, as per direction of Engineer-in-Charge, complete. "

"Supply, installation, testing and commissioning of Chlorine Dosing System, complete, comprising 01 No. FRP/HDPE solution tank of 100 litre capacity and 01 No. chemical dosing pump of approved make with variable flow capacity of 0–6 litres per hour (LPH), including all necessary polypropylene piping, injection fittings, non-return valve, foot valve, accessories, and M.S. fabricated stand for mounting of dosing pump, for making complete dosing arrangement for dosing of chlorine solution into the feed line, complete in all respects as per directions of Engineer-in-Charge. "

Providing and laying 3C × 6 sq.mm PVC insulated flat copper cable, complete, as per direction of Engineer-in-Charge.

"SITC of digital 3-phase ammeter panel mounted, complete, as per direction of Engineer-in-Charge. "

SITC of 32 Amp, 4-pole power contactor, 415 V, ABB / L&T make, complete, as per direction of Engineer-in-Charge.

Providing, supplying, installing, testing and commissioning of automatic timer relay for motor auto cut operation, suitable for automatic ON/OFF control and protection of motors, panel mounted, with adjustable time range, complete with base, internal control wiring, terminals, ferrules and accessories, including proper integration with motor starter/control circuit so as to automatically cut off the motor after preset time or operating condition, testing and commissioning, complete in all respects as per directions of Engineer-in-Charge.

SITC of 64 A, 4-pole MCCB, 415 V, ABB / L&T make, complete, as per direction of Engineer-in-Charge.

SITC of oil-immersed 3-phase motor starter, Bentex make, complete, as per direction of Engineer-in-Charge.

SITC of balloon type float switch for dry-run protection and automatic operation of pump, complete, as per direction of Engineer-in-Charge.

Replacement of damaged 20 mm brass gate valve, complete, as per direction of Engineer-in-Charge.

Providing and fixing/jointing PVC pipe 63 mm dia inclusive all labour charges complete.

Providing & fixing PVC ball valve 63 mm dia

Providing & fixing PVC tee 63 mm dia

Providing & fixing PVC union 63 mm dia

Providing & fixing PVC male threaded adaptor (MTA) 63 mm

Providing & fixing PVC reducer 63 mm dia

Providing & fixing PVC elbow 63 mm dia

Providing & fixing PVC 63 mm Section valve

Providing & fixing PVC male threaded adaptor (MTA) 50 mm

Providing & fixing PVC ball valve 50 mm dia

Providing & fixing PVC tee 50 mm dia

Providing & fixing PVC elbow 50 mm dia

Providing, laying, jointing & testing PVC pipe 50 mm dia

Providing & fixing PVC socket 50 mm dia

Providing & fixing PVC union 50 mm dia

Providing & fixing PVC Section valve 50 mm dia

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