ANNUAL MTC. OF INTERNAL SEW...

[15.1.2.1]Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material as per clause 304 of MORTandH specifications Ordinary soil 2.1. Mechanical Means Depth up to 3 m

[21.90.7.5]Construction of rectangular standard brick masonry manhole chambers to standard drawings on S.W. pipe sewers or other circular pipe sewers up to the required depth in 1.5 cement sand mortar, lime concrete in bed and sides of pipe sewer and cement concrete 1:2:4 in benching, 12 mm thick water tight 1:2 cement sand plaster with a floating coat of neat cement and finished with 2 coats of sodium silicate on interior surface where required, reinforced cement concrete slab 180mm thick fixing 560 mm internal diameter C.I. manhole cover and frame weight not less than 2.5 quintal painted with 3 coats of black bitumen paint, fixing galvanised malleable iron steps embedded in 1:2 cement sand mortar complete. the rate covers the cost of M.S. steel for R.C.C. slab labour for fixing and carriage of C.I. manhole frame and cover and malleable iron steps from the stores of the Engineer-in-charge of the works to the site of works. The rate also include the cost of accurately planned and fitted centring, supports for all works as well as for all curves and special work, cleaning out their beds etc. sodium silicate shall be supplied free of cost at the stores of the Engineer-in-charge. 7.5. On 300 mm internal diameter pipe sewer -for 3.70 meters depth below ground level

[21.94.3]Providing salt glazed stone ware pipes grade ‘A’ in standard length of 600 mm each pipe marked with IS: 651 and their lowering, cutting, jointing and testing as described in item No. 21.38, 21.39, item 21.40 including the cost of jointing materials as well as carriage, loading, unloading, stacking, handling, re-handling etc. complete in all respects to the satisfaction of Engineer-in-charge. 3. 200mm i/d

[6.1.5]Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work below plinth level and up to Floor IV level: 5. 1:3:6 (1 Cement : 3 coarse sand (zone-III): 6 graded stone aggregate 40 mm nominal size)

Hiring of sewage suction tanker with suction pipe 150 mm for lifting of rain water/sewage water from low line at various places including cost of tractor, driver, helper, Fuel, Lubricants, HSD, excluding GST charges and other accessories required for this work complete in all respect upto entire satisfaction of the Engineer-in-Charge

Plugging and unplugging of sewer line of Size 200mm i/d including M.S plate, angle, welding cutting with sand bags brick, cement sand polythene wooden piece labour masson, Gas Mask Kit with all safety equipment etc complete in all respect.