CA NO CWE/CHD-79/2020-21 REPAIR / MAINT OF OPERATING OF SEWAGE TREATMENT PLANT, ELECTRICAL PANEL SEWAGE MOTOR AND CLEANING OF SEWAGE PUMPS AT K AREA UNDER GE CHANDIGARH

Amount

Manning and operation of Aeration System for treatment of 0.50 MLD sewage water at Aeration lagoon (2 Nos) by the process of continues laminar flow inversion/ oxygenation and bio chemical per clean flo technology by employing suitable manpower for running the plant 8 hours per day (one shift) timing 0600h to 1400h for the existing 3 Nos CLEAN- FLO oil less non lubricated Teflon impregnated carbon vane 10 type air compressor housing and 9 Nos (3x3) CLEAN_FLO 12" micro- porous ceramic diffusers for releasing fine air bubbles to utilize laminar flow having minimum capacity of moving 1,20,000 gallons of water per hour from the bottom of a body of sewage water to the surface for treating of sewage water by adding/ mixing of clear flow bacteria and clear type enzyme as per manufacturer's instruction to maintain the requisite ph value - 5.5 to 9, BOD ≤30mg/l, COD ≤250mg/l, TSS ≤100 MPN/100ml or as per Punjab Pollution Control Board norms including the following:-

(a) Testing of Sewage Treated Water at the site lab for DO and others on regular basis by an expert lab technician by checking through Deluxe WS analysis kit model 191 E at site laboratory and maintaining proper records there of in log book. (b) Operation of Sluice Valve / regulation of Sewage Water into the lagoons and maintaining the sufficient distance of diffusers in the twin tank. (c) Removal of green algea deposited on top surface of the sewage water inside the lagoon on regular basis. (d) Proper maintaining of log sheet pertainig to Control Panels, Aerators and other machinery. (e) Taking out unserviceable worn out electrical parts like MCB's, Main Switches, Isolator and other part of LT Panales, street Light lumanaries around and within the STP premises, replacing the same with new ones as and when provided by the department including detection of cable / winding fault of compressors if any and rectification of the same.

Note :- (i) The chemicals and enzymes / clutures for mixing in sewage water as per requirement at site shall be measured and paid extra as supply only under the relevent item of Sch 'A'/ BOQ. (ii) Replacement of worn out / unserviceable vanes, gasket, o-rings, nut, bolt & washers, gasket, end cap belts & quite series (compressor repair kit) and filter for compressor shall be measured & paid separately under respective items of this Sch ’A’/ BOQ. (iii) The electrical stores like as MCB, main switch Isolator Timer & other parts of panel shall be supplied by the department under Sch 'B' .free for fixing. Fixing charges shall be included under this item. Nothing extra shall be admissible on this account. (iv) The retrieved old unserviceable material shall be deposited in the store yard of AGE E/M. (v) Contractor shall deploy (skilled) operator having ITI and 6 yrs experience of particular job.

Testing of treated sewage water quarterly basis (once in 3 months) by collecting a sealed samples in the presence of JE/AGE E/M & Rep of contractor and got tested from Punjab pollution control board or its authorised testing labs as given in Sch 'A' notes for the following parameters :- (a) Ph value = 5.5 to 9. (b) COD = < 250ppm. (c) BOD = < 30ppm. (d) TSS = < 100ppm. (e) DO = < 3-5 ppm.

Supply only chemical dosing and enzymes on regular basis as per manufacturer instruction to treat the water to meet the parametrs of treated water as per item 1 here-in-before:-

Bactomedia.

Microbial culture.

Microbial Nutrient.

Supply and fixing in repair filter for 1/2-3/4 HP vane and piston compressor 40 Micron, 2"dia x 2.75"long complete all as specified and directed.

Supply & Repair only vanes for 1/2-3/4 HP Compressor, quiet series, set of 4 (1.5"x 2.00"x 0.1875") and 1/2-3/4 HP vane compressor repair kit, quiet series (includes vanes, gasket, O-rings, bolt gaskets and end cap felts) complete all as specified and directed.

Dewatering/Desludging of Removing STP lagoon's slduge/sewage waste out of MOD land any size and depth desilting and removing sludge from sump as in foul conditions and removing of sludge beyond STP and deposited in borrow pits including excavation of borrow pits and covered with 10cm thick layers of soil complete all as specified and directed by Engineer-in-Charge. Note :- Dewatering/desludging shall be done by suction pump/any mechanical means and disposal by ruck mounted trailors to dispose off sludge etc beyond MOD land earmaked by local Muncipal Corporation.

Cleaning the area of sewage installations by cutting and removing jungle sturts, roots, bushes plants small trees etc and deposited to n.exc 50 mtr to 100 mtr out side installations as directed by Engr-in-Charge.

Repair and servicing of LT panel board by cleaning complete with carbon Tetra chloride solution, replacement of thimbles/ over heated cable pecies/ MCB TPN /servicing of starter etc (at pump house installed at different locations) including welding of doors, rewaring of side require after properly prepration of surface and carrying out following jobs of renewal.

M&L for DI pipe line 200 mm (certifugally cast) class 'K7' (ISI Mark) in any length with spigot and socket ends as per is 1536-2001 jointed with lead joints and laid in trenches or in any position,complete all as specified and directed.

M&L for DI pipe line 100 mm (certifugally cast) class 'K7' (ISI Mark) in any length with spigot and socket ends as per is 1536-2001 jointed with lead joints and laid in trenches or in any position, complete all as specified and directed.

Dsconnection and removing the u/s column pipe and S&F 100 mm bore mild steel water pipe heavy duty both end flanged as column pipe (each length of pipe 3metre long) as in repair complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing rubber gasket joint for 100 mm dia complete all as specified and directed.

Supply and fixing rubber gasket joint for 150 mm dia complete all as specified and directed.

Sluice valve PN-1.6 (ISI marked) confirming to IS-14846-2000 with steel spindle and fly net flanged both ends and drilled for jointing, wheel head type including nuts, bolts, washes & 02 Nos rubber insertion packing etc for 150 mm bore pipe complete all as specified.

Sluice valve PN-1.6 (ISI marked) confirming to IS-14846-2000 with steel spindle and fly net flanged both ends and drilled for jointing, wheel head type including nuts, bolts, washes & 02 Nos rubber insertion packing etc for 100 mm bore pipe complete all as specified.

Disconnection and removing the U/S CI Non Return valve and S&F Non return valve cast iron 100mm dia, PN-1.6 class with flanged ends at both sides complete fitted with GI pipe incl connected accessories and joining materials including taking down the old u/s one complete all as specified and as directed.

S&F Run lead joint for 80/150 mm pipe complete all as specified and as directed.

M&L for DI fittings of size up 200 mm bends (any radius and angle) Tapers any type, (straight,bend,increasing,decreasing or double socket etc) Tee pieces single branch. `Y` junction, double branch cross (all socket or socket and spigot) collars, caps and plugs etc complete all as specified and directed.

Dismantling to existing unserviceable submersible pump motor of 12.5 HP, 3 phase, 440 volts, 50 Hz, 2900 RPM and rewinding to stator with PVC insulated copper winding wire including sleeves, thimbles & minor spare parts like as bronze bushes, gland packing etc and re-assembling to the same motor after repair work complete all as specified and directed.

All as per above item No 19 here-in-before but for sewage submersible motor of 7.5 HP. (i) Taking out / lowering to submersible motor & pump shall be measured and paid under item No 21 of this schedule ‘A’. (iii) Defective spare parts exccept winding wire & bronze bushes etc shall be measured and paid separately under respective item of this schedule ‘A’ as “supply only” under item No 22 to 29 but fixing charges shall be deemed to be included in the unit rate this item.

Disconnection & taking out to sewage submersible pump with motor of any capacity 12.5 & 7.5 HP submersible pump set for sewage system along with column pipe of any size upto 12mtr. Note :- (i) Repair / replacement of pump /motor / column pipe / rubber gasket / Nut bolt and washers shall be measured and paid separately under respective items of this Schedule ‘A’. (ii) Transportation to defective motor / pump from well to work shop and vice-versa shall be deemed to be included in the unit rate of this item. Nothing extra shall be admissible on this account. (iii) The cost of T&P required for taking-out, lowering to submersible motor / pump / column pipe shall be deemed to be included in the unit rate of this item. Nothing extra shall be admissible on this account.

Supply only thrust bearing housing along-with thrust bearing plate for submersible Pump for sewage 12.5HP complete all as specified and directed.

Supply only thrust bearing housing along-with thrust bearing plate for submersible Pump for sewage 7.5 HP complete all as specified and directed.

Supply only for motor bearing bush ( Set of five) for submersible Pump for Sewage submercible pump set 12.5HP complete all as specified and directed.

Supply only for motor bearing bush ( Set of five) for submersible Pump for sewage submersible 7.5HP complete all as specified and directed.

Supply only for water seal & adopter (Set of two) suitable for submersible Pump for Sewage 12.5HP. (Mechanical seal) complete all as specified and directed.

Supply only for water seal & adopter (Set of two) suitable for submersible Pump for sewage submersible 7.5HP.(Mechanical Seal) complete all as specified and directed.

Supply only for stainless steel shaft suitable for submersible Pump for 12.5 HP complete all as specified and directed.

Supply only for stainless steel shaft suitable for submersible Pump for 7.5 HP complete all as specified and directed.

Disconnection and removing the U/S DOL starter and S&F DOL starter Type - MK1, 15A, 3 Phase, 50 Cycles, Relay Range upto 25-32 Amp, 415V/440V including connecting the cable complete all as specified and as directed.

Disconnection and removing the U/S 3P Contactor and S&F 3P Contactor MNX 32A, Coil Voltage 415V, 50 Hz including connecting the cable complete all as specified and as directed.

S&F for Nut, Bolt & Washers machine made suitable for jointing of column pipe fixed as in repair complete all as specified and as directed.

S& F for 80 mm bore mild steel water pipe heavy duty both end flanged as column pipe (each length of pipe 3 metre long) as in repair complete all as specified and as directed.

Supply and testing Submersible pump set heavy duty for pumping thick mud water, single phase 240 volts 50 HZ of cap 1 HP complete all as specified and as directed.

S&F for as in repair PVC insulated, unsheathed copper conductor cable 16 Sq mm, 3 core, flat in shape suitable for submersible pump motor complete all as specified and as directed.

FASDS (fully automatic star delta starter) enclosed in sheet steel enclousure Factory made duly powder coated suit able for sewage non clog pump set as above not less then 15 HP , 3 phase 415 volts, 50 Hz incl provn of single phasing with CTs , Voltmeter&Ammeter with slector switch,LED Indicator,On & Trip indicator, with TP MCB 'C' curve 3 phase Short circuit protection , fixing arrangement on wall etc enclosure should be suitable to accomodate MPU as here-in-after complete all as specified .

M&L for construction of check valve pit chamber of size 120 x120 x100 CM with brick masonary including 6.00 mm thick MS sheet cover fixed with angle iron frame 40x40x6mm thick complete with locking arrangement and lifting handle incl two coat of anti- corrosive synthetic enamel black paint over a coat of red oxide primer to steel surfsces complete all as specified and directed.

Removal and Cleaning of sludge tank of sewage pump of size 1.50 x 5.0m Depth, Removal of settled sludge, cleaning the sewage from Walls/Ceiling etc. deposited to n.exc 50 mtr to 100 mtr out side installations complete all as specified and directed by Engr-in-Charge.

S & F for 20mm bore PVC flexible (Compressor pipe) water tubing pipe fixed & conceated item in treatment plant complete all as specified and directed by Engineer-in-charge.

Arresting of water leakage from existing pipe line in position from DI/CI/GI pipe of size 80 mm to 150 bore, including excavation, through Men/Mechanical power, cutting, welding as per site requirement, jointing material such as lead joint/gaskit joint/CI fitting, nut and bolts,washers and refilling etc complete all as specified . Note:- (i) Excavation up to 1x1x6 Mtr will be deemed to be included in quoted rate. (ii) Jointing material ( such as pig lead, DI / CI fitting and pipe length) will be measured and paid saperately under appropriate item of sch 'A' herein.

Supply, fixing connecting and testing Motor protection unit (MPU) three phae 415 volt, 50 HZ ,automatic phase sequence corrector automatically correct inut reverse phase, single phase protection, LV, HV, LIV, Auto of loft, timer, Dry running under & over current, unbalancing ,float switch with built in CTs (Automatic-RTM ) complete all as specified & directed

Taking out carefully (with out damaging electrical equipment inside sewage sub stn building) mild steel sheet gate shutter -02 Nos. Reparing of the same by providing/welding suiable size and nos of hinges or other fixing arrangment such bearing so that the hinges or the bearing can hold the weight of the gate in still position as well as in moving position incl making necessary locking arangement . Painting of th gate with two coats of synthetic enamel paint over a coat of red oxide as primer. Loc : K Area sewage pump house.

Excavation in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation etc for shafts, walls, cesspits, manholes, pier holes, etc n. exc. 10 sqm on plain and n. exc. 1.5m depth and getting out. Note : - Excavation shall be carried out manually, Excavation with JCB will not permitted.

Returning, filling in including spreading, levelling, watering and well ramming in layers n. exc. 25cm in soft/loose soil complete all as specified and directed.

Removing excavated materials n. exc. 50m and depositing where directed at a level n. exc. 1.5m above the starting point complete all as specified and directed.

GS Engineers

M/S BALWINDER SINGH

M/s Super Trading Corporation

Bidder Name

M/S BALWINDER SINGH