CA NO GE/AFJ-65/2023-24 REPAIR/MAINTENANCE OF MAIN STP SEWAGE PUMP AND ALLIED WORKS AT AF STN JAMMU UNDER GE AF JAMMU

Amount

Supply and laying of PP floating media to top up for bio reactors in clarifier chamber 1,2 complete all as specified and directed by Engineer In Charge

Cleaning of foot valve of Sewage treatment Plant after taking out PVC/ armoured hose suction pipe of sewage pump from sump well and lowering in existing position for smooth functioning of Sewage Treatment plant including replacement of minor unserviceable parts like gasket etc of foot valve 100 mm dia complete all as directed.

Description all as per srl item No 2 here in before but for Sewage Pump house at Polo Ground for dia of pipe 100 mm complete all as directed.

Description all as per srl item No 2 here in before but for Sewage Pump house at Technical area for dia of pipe 100 mm complete all as directed.

Description all as per srl item No. 2 here in before but for Old Sewage Pump house at Vayu Vihar for dia of pipe 100 mm complete all as directed.

NOTE for item No 2 to 5 : The item will be operated once in every week during the entire period of the contract and shall be measured separately.

M & L for Lifting/ taking out of sludge /silt accumulated inside of main sewage reservior sump well of size 12.50 m x 8.30 m x 3.60 m of cap 7000 users with help of sewage suction pump and transporting & disposal of the same to the out side of AF Station Jammu complete all as specified and directed by Engineer - in- Charge

M & L for Lifting/ taking out of sludge /silt accumulated inside at Sewage Treatment Plant of clarifire chamber 1 and 2 , sludge digester and reaction room complete with help of sewage suction pump and transporting & disposal of the same to the out side of AF Station Jammu complete all as specified and directed by Engineer - in- Charge

M & L for Cleaning of sewage treated clean water sump by means scraping, discaling with bleaching powder , removing sludge etc all as specified and directed by Engineer-in-Charge.

Description all as per srl item No. 9.00 here in before but for Sewage Pump house at Polo Ground complete all as directed.

Description all as per srl item No.9.00 here in before but for Sewage Pump house at Technical area complete all as directed.

Description all as per srl item No 9.00 here in before but for Old Sewage Pump house at Vayu Vihar complete all as directed.

Carry out water testing of bacterial,chemical and biological analysis of sewage water treated water from NABL accredited Govt approved lab for following parameters and submission of test reports all as directed: (a) PH (b) Chemical Oxygen demand/COD (c) Biological Oxygen Demant/BOD (d) Total Suspended solids (e) Oil and grease (f) TKN (g) Total Coliform (h) Organism MPN (k) Dissolved Oxygen Note: water testing shall be carried out as per CA Qty in period of contract all as directed without fail else recovery will be made at Rs 25000/- per test for execution of item and for non-submission of Test Report.

Supply and fixing in replacement PVC foot valve assembly complete of suitable size for pipe of size 100 mm bore all as directed.

Supply and fixing in replacement PVC armoured hose pipe of 7.5 metre standard length, working pressure 10 Kg/Sqcm of size 100 mm bore complete all as directed.

Supply and fixing in replacement butterfly valve as per IS specifications of 100 mm bore size complete all as directed. Make BIR/ KSB

Description all as per srl item No.16 here in before but of size 200 mm complete all as directed.

Supply and fixing as in replacement V fan belt size 13x710 A 228 A 740 EL and belt No - C-2240C86 for blower Compressure ( evaporator Motor ). Make- Fenner, Denlop.

Servicing / maintenance of Twin Lobe Compressor Make Everest of capacity 1250 cum/hr, pressure 0.6 Kg/cm2, 1410 RPM coupled with elecctric driven AC induction motor of capacity 30 HP, three phase including carrying out maintenance check along with following repairs: (a) Dismantling of Twin lobe compressor in presence of MES representative and display all the parts without damage any portion for inspection of Engineer in Charge to ascertain the serviceability of existing parts and assembling the same after filling Servo super 90 gear oil up to indicated level. (b) Heating, varnishing to stator, rotor with super quality varnish and drying out properly with external heat. (c) Cleaning, washing of bearing and use right quantity of ball bearing grease for bearing. (d) Assembling of motor with old serviceable parts and replacement of unserviceable parts with new as ordered where necessary. (e) Installation of motor by making connections as per existing and testing on load. Note (i) Any parts required to be replaced during servicing, maintenance of motor, pump set, compressor etc to be included in the quoted rates and also labour cost in repair shall be deemed to be included in the quoted rates. (ii) Any minor / major repairs involved to make the motor, pump functional even if notified by the Engineer in Charge shall be carried out by the contractor without any extra cost to the department. (iii) Rewinding of stator of motor . (iv) Greasing / oiling etc of parts as required shall be done by the contractor without any extra cost to the department.

Servicing / maintenance of centrifugal pump set of sewage discharge capacity 4.2 cum/hr, 30 metre head, 1440 RPM coupled with elecctric driven AC induction motor of capacity upto 15 HP, three phase including rewinding of motor carrying out maintenance check along with following repairs: (a) Dismantling of centrifugal pump set in presence of MES representative and display all the parts without damage any portion for inspection of Engineer in Charge to ascertain the serviceability of existing parts. (b) Heating, varnishing to stator, rotor with super quality varnish and drying out properly with external heat. (d) Checking play of impeller and bushing of pump and repair/replacement of bushes , gland, sleeves etc . (e) Assembling of motor with and pump replacement of unserviceable parts with new as ordered where necessary. (f) Installation of motor by making connections as per existing and testing on load. Note : (i) Bearing shall be measured and paid separately. However all other items required for for making pump/motor functional shall be inclusive in quated rate .

Supply only the following (PROVISIONAL) items to incorporate against item No.20 here in before: (a) Cast iron impeller for non clog centrifugal pump suitable for upto 15 HP motor as per existing.

(b) Ball bearing suitable for motor capacity upto 15 HP as per existing (SKF, NBC, TATA).

Spray Painting of Pump & Motor any type, capacity upto 15 HP as per colour code (Shade) of MES specification after cleaning the dust particle of existing motor & Pump as directed by Engr-in-Charge

S & F in replacement Cross linked Plastic pipe(25-32mm dia) as per sample heavy duty for compressor use, one end fixing with compressor and other end to be fixed in collection chember(STP) at bottom with clamp for proper fixing complete all as specified and directed by Engr-in-Charge

Supply and fixing cast iron flanged butterfly valve including taking down old unserviceable valve of size 80mm dia complete all as specified and directed by Engineer-in-charge

Supply and fixing cast iron flanged butterfly valve including taking down old unserviceable valve of size 50mm dia complete all as specified and directed by Engineer-in-charge

Material and Labour for disconnecting and removing the MOTOR of any make/model / type, from STP and foundations/ base frame located at different locations, by disconnecting electrical connections and pump couplers, taking it to workshop for repair, rotor assembly, removing burnt out winding wires complete, Rewinding of Motor same guage and type of insulation copper conductor winding wires and insulation sheets , applying insulating varnish over the complete winding, drying up by heating , assembling back the and rotor including replacement of bearing, nuts, bolts, studs, Gasket, packing, locking pin, terminal blocks, and terminal bolts and nuts and misc accessories & hardware required for making motor functional, both end bearings (labour only) with same size/make complete for 3Ph, 415V, 30Hp motors all as specified and as directed.

All as per item No 26.00 here-in-before but with Capacity of Motor 15Hp

All as per item No 26.00 here-in-before but with Capacity of Motor 10Hp

All as per item No 26.00 here-in-before but with Capacity of Motor 3Hp

Supply and fixing in replacement cast iron wheel for sluice valve with shut and open direction mark casted on suitable for 100 mm bore sluice valve all as specified and directed.

Supply and fixng in replacement Cast iron Non return valve (NRV) 100 mm bore complete conforming to IS 1969 double flanged and drilled including bolts, nuts, washers, gasket etc complete and dismantling of old one complete all as specified and directed. Make : Kirloskar/Leader/ L&T

Supply only Sodium Hypo Chlorite completely as specified as Engineer in Charge

Repair & Replacement pump parts such as bearing,impellor,seal and pump capacity 10 to 30 HP completely as specified as Engineer in Charge

SCHEDULE 'A' PART-II (Schedule of credit) Credit amount of Rs (Refer schedule of credit) for retrieved material mentioned in Sch 'A' Part-II of Tender documents in PDF form will be deducted offline during acceptance of tender of lowest bidder.

Note: (1) The repair has to carried out as and when required basis and accordingly site will be available in piecemeal wise and as directed by Enginer-in-Charge in the domestic area of Air Force station.

M/S ASHOK KUMAR SURI

G M ENGINEERING SERVICES