NIT-6 (2023-24) item No.2

Renovation/Repairing of foundation of pump set no 1 & 5 and Supporting Stair case to operate the valves and other allied works at Kondli Gharoli SPS by Carrying out following works by carrying out the following works:-.Taking all required safety measures and items for man and materials for above said work including all the required safety measures as per the guide lines issued by NHRC/NGT etc. and all the required works, materials, arrangements, tools & tackles, workmanship, etc. and as per the site requirement, remodeling all the damages up to standard if occurred any complete in all respect satisfactorily

Disconnecting all electric connections and decoupling the motor from the pump and pump from suction and delivery system by using gas cutter set and manual labour as per site requirement

Dismantling the pump set from the base frame by cutting and Closing of Suction & Delivery side sluice valve providing fixing of blind flange of suitable size for stopping of water leakage on suction and delivery dismantling the pump by cutting of nut bold with the help of proper logistic arrangement and taking out the pumps that from the foundation to floor label of pump house with taking off all safety measures as per site requirement.

Removing of worn out MS base frame from RCC foundation by cutting foundation bolts with gas cutter/ welding set etc. and lifting it out by crane to ground level from dry sump and shifting it to the J.E. store

Breaking of RCC foundation by pneumatic power hammer/other tools broken material from pump house and disposing the same at suitable place as per instruction of engineer in charge. DSR-0027

Making of RCC foundation by the size of 9’10’’x 6’3’’x 2’11’’ of by 1:2:4 concrete including Providing and laying Reinforced cement concrete for construction of piers, abutments, portal frames, pier caps and including the cost of steel centering and shuttering etc. complete, including testing of materials etc. for casting pier & pier cap in one/two stage, necessary tools, plants, machinery and all related operations as required to complete the work as per Specifications with all leads, lifts and depths true to level and position but excluding the cost of providing reinforcement. Reinforcement shall be measured and paid separately. DSR-5.48.1

Providing/ fixing of 8 Nos. S.S. foundation bolts of size 300X25 mm in pocket By proper welding to MS base frame of rcc with proper support and filling of cc in ratio 1 :2 :4 for grip of Foundation Bolt in CC structure for proper mixing and required civil work with proper lavelling.

Providing/Fixing of M. S. Base Frame of 8.5 mgd pump set coupled with 115 kw slipring type induction motor size 2300mm X 1100mm with heavy duty ISMC 250X75 mm, MS block of size 1.75 x.35 feet with 15 mm thickness plate, MS angle of suitable size as per existing base frame

Removing the rusted and weekend part of the M.S structure of 6 nos. of stair case from ground by cutting base stair with gas cutter set etc. and lifting it out by crane to ground level from dry sump and shifting it to the J.E. store

Strengthening/Providing of MS structure (06 nos. of stair cases size of 3.5 mtr. Length x 0.8 mtr. wide) of pump sets to operate/repair the valves and NRV. Strengthening of the M.S structurer with help of T&P items i.e cutter, oxygen cylinder, welding machine ,grinder machine and transportation. Providing the following M.S. items :Chequerred sheet of 6 M.M. thickness Angle Iron of size 35x35x5 M.M. Angle Iron of size 25x25x5 M.M and taking 2 inch handle pipe for supporting of the stair case And making the coupling guard for 06 nos. of pump size 2.5 mter x 25 mm plate by covering steel jaali Make : ISI Appr

Neoprene rubber insertion sheet. Make Jyoti / National.

M.S. nut bolts and washer etc. ISI standard.

Re-installation and refitting the pump set with coupling as per original position with proper alignment and also making of all electrical connections etc in original position and testing load as per satisfaction of site engineer.

Supply of Electrical Rubber Mat / 1mtr x 2mtr x 3mm Thickness - 3.3KV, ISI approved make

Providing complete tyre coupling set TC-19 for pump sets.

Painting the above said complete M.S. structure by removing the welding slag’s by emery paper and then painting by minimum double coat of anti corrosive red oxide and enamel paints after completion of work and testing the complete structure at no load and full load as per requirement complete satisfactorily.

Testing and commissioning of pump set on full load after completion the successful work.

Ajay Prakash Mishra

Ajay Prakash Mishra