Working Estimate for Annual Maintenance of 318 Nos. of TNGRHS South Zone out of 626 TNGRHS Flats at Kajamalai Colony in Trichy for the year 2024-2025

Amount

318 Nos. of TNGRHS (South Zone)

Construction of Inspection chamber of size 60 x 60 x 60 cm with brick jelly concrete 1:8:16 (one of cement eight of sand and sixteen of broken brick jelly using 40mm gauge broken brick jelly 15cm thick for foundation and 23cm thick brick masonry in C.M. 1:5 (One of cement and five of sand) using class II ground Mould of size 9" x 4 3/8" x 2 3/4 " plastering with cement mortar 1:3 (One of cement and three of Psand) 12mm thick on both sides , top and bottom including earth work excavation RCC 1:2:4 (One of cement two of sand and four of 20mm gauge hard broken stone) including supply and fabrication of steel but including benching channeling fixing cover slab in position curing finishing etc., all complete complying with relevant standard specification and as directed by the departmental officers. - (Block No.9).

Supplying and fixing the 110mm dia. PVC (SWR) pipe type B class conforming to IS 13592 and relevant specials including packing the joints with rubber lubricant fixing them into walls with necessary GI Bolts and Nuts with special clamp made of MS angle/Flat including cutting, bending (excluding the cost of MS angle/flat) holding wherever necessary and making good of the dismantled portion with necessary connections to sanitary fittings etc., complete complying with relevant standard specifications in all respects and as directed by the departmental officers. - (Block No.9).

Engaging JCB for Clearing Jungle in the area of front and back side of the Block No.1-5, 31-34, 49-60 and complete as directed by the departmental officers as per standard specification. - (8 Hours per day).

Sub Total

GST at 18%

M.Mohamed Hussain (BID ID -1251586)