REPAIR MAINT OF SEWAGE PUMPS AND CONNECTED WORKS AT AF STATION GWALIOR

Amount

Lifting/lowering of Unsv non clogging submersible pumping set,10 to 12 HP from the under ground main sump with the help of chain pulley manually operated own arrangement of the contractor with and including loading , unloading and transporting STP instalition to civil work shop and bringing back after repair from the civil workshop to STP instalation.Fixing the repaired non clogging pumping sets its original position with and including minor spare such as nuts,bolts,washers and rubber gasket etc Note:-(a) Cost of necessary T&P/crane required for taking out & fixing of the pump set from the under ground sump are deemed to be included in this item. (b) The necessary repairs of the pump set shall be carried out by the authorised and approved agency at their workshop and quoted rates by the contractor for above item includes the transportation charges of pump set to and fro workshop. (c) The repairs / replacement carried out in the pump set shall be measured and paid for separately under appropriate item of Schedule `A'. (d) Quoted shall be inclusive of all safety precaution and necessary equipments required for entering into sump

Dismantling & strip opening completely non clogging submersible motor and pump set 10/12 HP capacity , three phase, 415 volts for ascertaining serviceability of the winding and other parts of the motor and pump set at authorized workshop, servicing / overhauling, fixing the serviceable parts in its original position and replacement of the unserviceable parts with new one, reassembling the motor and pump set and testing at workshop , and commissioning at site etc including duly paint with two coat of smoke grey paint complete all as specified & directed. NOTE (i) The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The new replaced parts shall be measured and paid for separately under appropriate item of sch `A’ as ‘supply only’ but quoted rates are inclusive of replacement of small parts such as pin, oil seal `o’ ring, washers, screws, gasket, shim, banjo washers, kit & locking keys etc. (ii) The existing lubricating oil shall be drained out carefully and collected in suitable containers and sump of the non clog submersible motor shall be cleaned thoroughly. Filling of fresh lubricating oil shall be measured and paid for separately under appropriate item of Schedule `A'. (iii) Replacement / rewinding of burnt out windings of non clog motor shall be measured and paid for separately under appropriate item of Schedule `A'. (iv) The contractor will check/ascertain the serviceability of motor & pump at site and finalize the nature/type of repair required in subject motor and no extra payment shall be made against such work. (v) All necessary T & P shall be provided by the contractor on no extra cost basis.

Cutting and taking out existing burnt out / unserviceable copper winding from the stator unit of non clogging submersible motor. Cleaning of slots and complete stator unit with using carbon tetra chloride (CTC solution), material and labour for rewinding the motor with using super enameled copper wire (Make: Atlas / Finolex / Devi dayal) of existing size / gauge including providing bi-metallic thermal overload protection and all necessary insulating Materials such as varnish, insulating paper, sleeving etc for 10 /12 HP capacity, 3 phase, 415 volts non clogging submersible motor etc complete all as specified & directed.

Supply only the following items/ parts suitable for existing make and model of non clogging submersible electric Motor and pump sets 10 /12 HP, model No KDS10MS100 repaired under Schedule `A' item No 02 here-in-before . The fixing element of these items is deemed to be included under Schedule `A' item No 02

(a) Hard metal upper mechanical seal assembly

(b) Hard metal lower mechanical seal assembly pump side

(c) Ball bearings, self lubricating and antifriction type, upper

(d) Over size double row ball bearings, self lubricating and antifriction type, lower

(e) Water tight cable terminal block with cable sleeve and strain relief. (Note: - Rates for water tight cable joints with cable sleeve are included in this item.)

(f) Single vane non clog design dynamically balanced cast iron impeller as per IS- 210Gr, FG -260

(g) Moisture sensor (electronic seal monitor) with visual and audible signals

Repairing and reconditioning work for the following item for non clogging submersible pump of any description, 10/12 HP capacity all as specified and directed by the Engineer-in-charge.

(a) Rotor machining, grinding and balancing

(b) Motor tube boring,machining & reconditioning

(c) Motor lamination setting with material

(d) Rotor reconditioning

(e) Slot repairing in stator

(f) Repairing of the high carbon steel shaft

(g) Repairing and reconditining of the terminal plate

Dismantling & strip opening completely 10/12 HP Aerator Motor of Make-Kishor model no. KDS-12MS100, ascertaining serviceability of the winding and other parts of the Aerator motor at authorized workshop, servicing / overhauling, fixing the serviceable parts in position and replacement of the unserviceable parts with new one, reassembling the motor and testing at workshop etc complete all as specified & directed. (NOTE : 1. The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The new replaced parts shall be measured and paid for separately under appropriate item of sch `A’ as `supply only but quoted rates are inclusive of replacement of small parts such as pin, oil seal `o’ ring, washers, screws, gasket, shim, banjo washers, kit & locking keys etc. 2. The existing lubricating oil shall be drained out carefully and collected in suitable containers and sump of the Aerator Motor shall be cleaned thoroughly. Filling of fresh lubricating oil shall be measured and paid for separately under appropriate item of Schedule `A'. 3. Replacement / rewinding of burnt out windings of motor shall be measured and paid for separately under appropriate item of Schedule `A'. (4) The contractor will check/ascertain the serviceability of motor & pump at site and finalize the nature/type of repair required in subject motor and no extra payment shall be made against such work. (5) All necessary T & P shall be provided by the contractor on no extra cost basis.

Cutting and taking out existing burnt out / unserviceable copper winding from the stator unit of Aerator motor. Cleaning of slots and complete stator unit with using carbon tetra chloride (CTC solution), Material and labour for rewinding the motor with using super enameled copper wire (Make: Atlas/Finolex/Devi Dayal) of existing size / gauge including providing bi-metallic thermal overload protection and all necessary insulating Materials such as varnish, insulating paper, sleeving etc and fixing, reassembling the motor after necessary repairs etc complete all as specified & directed.

Supply only the following items for aeration electric motor repaired under Schedule `A' item No 6 here in before. Note:- The fixing element of these items is deemed to be included under Schedule `A' item No 6 :-

(a) Hard metal upper mechanical seal assembly, Part No 890

(b) Hard metal lower mechanical seal assembly, part No 891

(c) Double row ball bearings, self lubricating and antifriction type upper bearing part No 971

(d) Over size double row ball bearings, self lubricating and antifriction type, lower

(e) Water tight cable terminal block with cable sleeve and strain relief

Supply only lubricating oil suitable for submersible motor of MAKE:- BPCL(Hydrol 46/turbol 46)/PCL(Hylubex-30)/IOL(Servo super 10)

Supply only Gear oil suitable for submersible motor of MAKE:- BPCL/HPCL/IOC

Supply & Fixing Alloy Steel chain 8mm dia complete all as directed.

Supply & Fixing Flexible pvc pipe 50 mm dia complete all as directed.

Supply & Fixing Flexible pvc pipe 80 mm dia complete all as directed.

Supply & Fixing Flexible pvc pipe 100 mm dia complete all as directed.

Testing of sewage water to check the Chemical Oxygen Demand and Bactorial Oxygen Demand from authrized laboratory. Note :- Rate for collection of water sample from Seawge treatment plant in their own container and carrying it to the Lab is included in the above item.

Supply, laying, jointing and testing PVC insulated, unarmoured, PVC bedded LT cable 1100V grade with stranded copper conductor of cross sectional area 10 Sqmm 4 core etc complete all as specified and directed. (Make: Finolex/National/Polycab/CCI/ICL/Premier cable/ Gloster)

Preparing old painted steel and metal based surfaces of any shape, size and description, removing oil, dust & rust by using sand paper or any method on all types of surfaces, filling cavities if any and applying one coat spray painting with synthetic enameled paint of approved quality (All as per E-in-C’s colour code) with and including writing E/M & MES Nos, Neatly on each machine complete all as specified and directed.

De-watering / emptying completely the existing Aeration chamber of any description and in any position and disconnecting & taking out Aerator Electric Motor 12 HP, 3 Phase, 415 Volts from Aeration tank including existing cable and transporting the motor to authorised workshop for repairs, fixing, commissioning and testing of the motor in its original position at site after necessary repairs etc complete all as specified & directed. otes : - (a) Cost of necessary T&P/crane required for De-watering of Aeration tank and taking out & fixing of the Aerator Motor from the Aeration tank are deemed to be included in this item. (b ) The necessary repairs of the Aerator motor shall be carried out by the authorize and approved agency at their workshop and quoted rates by the contractor for above item includes the transportation charges of Aerator motor to and fro workshop . (c ) The repairs / replacement carried out in the motor shall be measured and paid for separately under appropriate item of Schedule `A'.

S&F in repair vertical adjustable jets made out of brass, chromium plated of size 3/8 Inch complete all as specified and directed.

S&F in repair pressure booster pump suitable for three outlet, 220 Volts, minimum head 25 Meter, 1 HP capacity complete with solenoid switch, pressure tank monoblock pump complete all as specified and directed. Make: Kirloskar Model No. SJBPS-52820 or equivalent in Grundfos/ KSB

S&F in repair submersible under water stand lights IP 68 LED (12 VDC/ 09 W) RGB white with base SS stand, height 100 mm & angle adjustable ISO 2015: 9001 complete all as specified and directed.

S&F in repair pressure air tank for booster pump suitable for three outlet, 220 Volts, minimum head 25 Meter, 1 HP capacity complete all as specified and directed.

M&L for opening of exising chocked/ clogged CI sewage pipe line upto 150 mm dia as per following:- (a) Taking out pipe after necessary excavation and opening / dismantling of any type of joint. (b) Internal cleaning of unwanted material/ clogging material form the clogged / Chocked CI pipe line either manually or mechanically. (c) Relaying of dismantled CI pipe line including proper new joints of same description and making all connections as per existing. (d) Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 CM Note: All necessary excavation and earth work in any type of soil and provision of new joints as per exisitng deemed to be included in quoted rates.

M&L for opening of exising chocked/ clogged CI sewage pipe line upto 300 mm dia as per following:- (a) Taking out pipe after necessary excavation and opening / dismantling of any type of joint. (b) Internal cleaning of unwanted material/ clogging material form the clogged / Chocked CI pipe line either manually or mechanically. (c) Relaying of dismantled CI pipe line including proper new joints of same description and making all connections as per existing. (d) Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25 CM Note: All necessary excavation and earth work in any type of soil and provision of new joints as per exisitng deemed to be included in quoted rates.

S&F in repair auto starting relay for 1 HP motor of water pressure pump including provision of minor fixing accessories complete all as specified and directed.

Mukesh Enterprises

M/s A.K. Trading Co.