Maintenance and repairs to existing UGSS scheme in Tirumangalam Municipality Reconstruction of existing Manhole Sewage line

Earth work excavation for foundation by manual means for RR/Brick and Other step type footings for Load bearing structures in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers. -Mixing by manual means

Supply and Delivery of 200 mm dia 6Ksc PVC Pipe including cost and conveyance and all labour charges etc., complete (a) 200mm dia PVC 6Ksc Pipe (2025-26 TWAD SOR P No 16 Sl.No 1.0 II WD-M0017 )

Lowering the 200 mm dia 6Ksc PVC Pipe including cost and conveyance and all labour charges etc., complete.(a) 200mm dia PVC 6Ksc Pipe (2025-26TWAD SOR P No 263 Sl.No 11bii WD-W0427)

Refilling the excavated Earth soil as per Standard Specification etc., complete.(2025-26 TPD SOR P No 32 Sl.No W-0075)

Brick work in following Cement Mortar using best quality Fly ash Brick of size 230x110x75mm with class designation of 7.5 conforming to IS 13757-1993 or IS 12894-2002 for foundation and basement including Cost of Mortar Plasticizer, curing,etc., complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond shall be done as directed by the Executive Engineer in charge.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Supply and fixing of RCC Man hole collar with cover slab including cost and conveyance of all materials and all labour charges etc., complete as per standard specification.

Removing and Stocking of existing Paver Block of Size 83mm/63mm thick carefully reuse at the site and laying Rubberised interlocking Paver block M40 grade (EXIXTING PAVER BLOCK)83mm thick high strength type conforming IS 15658-2006 of rubberized interlocking paver lock in size of minimum compressive strength of 40N/mm2 in uniform shape of approved make to be laid in flurring bone pattern with sand cushion below the uniform shap of approved non skitting surface in the top and the rate including levelling the base preparation of pavers as sub base, sand cushion 150mm thick laying out of pavement cut the pieces to fix the edge vibring the pavers,sweeping tranporting loading unloading of laying paver block as per standard specification,.

Supplying and laying of Interlocking Paver Block Stone 83mm thick Over a base layer of crushed stone sandfilling incl. Cost of materials laying and Labour charges etc complete complying with the standard specification and as directed by the departmental officers.