Annual Maintenance working estimate for 216 TNGRHS Flats at Pattukkottai under Annual maintenance for the Year 2025-2026

Amount

Maintenance works

Supplying and Fixing 110mm dia PVC SWR rain water downfall pipe 'A' class pipe of approved quality with necessary CI gratings 110mm dia PVC plain bend, 110mm PVC shoe, offsets, MS special clamps (heavy) TW plugs and screws of approved quality etc. including fixing CI grating 100mm dia at the junction of parapet and floor or roof slab and jointing with rubber lubricant etc. complete in all respects complying with relevant standard specifications and as directed by the departmental officers.

Supplying, laying and jointing PVC pipes (having working pressure 10 kg. / sq.cm) of approved quality and best variety conforming to BIS of the following dia including cutting, threading and fixing PVC specials using PVC adhesives (but excluding cost of such specials) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges upto 4 metre height above ground level, etc., complete complying with standard specifications. The PVC pipes shall be got approved by Executive Engineer before use on works. - External water supply -above ground level

32 mm dia PVC Pipe Water supply Line

25 mm dia PVC Pipe Water supply Line

Construction of INSPECTION CHAMBER of following clear sizes including earth work excavation, CC 1:5:10 of 10 cm thick and brick work in Cement Mortar 1:5 [One cement and Five sand] using best quality of Clay burnt Bricks of size 9” x 43/8” x 23/4” with Class designation of 7.5 and Plastering with Cement Mortar 1:3 [One CementandThreePlastering Sand] 12 mm thick to inner and outer sides and wearing coat 1:3:6 [One Cement, Three crushed stone sand and Six Aggregate] 15 cm thick and covered with precast slab 5 cm thick etc., complete complying as directed by the departmental officers as per standard specification

60 CM x 60 CM x 60 CM

Cleaning of Septic tank including labour for removing the sludges, deposited night soil from the Septic Tank including cost of bucket, kerozene, coir, ladder and tools and plants etc. and conveyance of sludges away from the scheme area as instructed by the departmental officers.

Cleaning of Over head tank including labour Charges for cleaning and including cost of brush ,bleaching powder , tools and plants etc. complete and as directed by the departmental officers.

Engaging JCB for cleaning the light jungles around the blocks and scheme area and clearing away from the scheme area etc. and complete as directed by the departmental officers.

Sub total

I ANBUCHEZHIAN CONTRACTOR (BID ID -1551670)