A/mtc. of EPHS (sewer) in s...

[21.90.6.1]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. 6.1. On 250 mm internal diameter pipe sewer - for 2.40 meters depth below ground level

[21.93.2]Providing and fixing SFRC MANHOLE COVERS AND FRAMES MARKED WITH IS: 12592 including setting the same to correct lines and levels in 1:3 cement sand mortar over manhole including carriage loading unloading stacking handling re-handling etc. complete in all respects to the satisfaction to the Engineer-in-charge. 2. Type:- Extra Heavy Duty Set (EHD-20) 560MM Clear Opening

[22.218.1]Providing and Supplying of class SN 8 structured wall Polyethylene Piping system (Pipe with online/ offline coupler and elastomeric sealing ring) with non smooth external annular corrugated and smooth internal surface (double wall) for non-pressure underground sewerage and drainage application as confirm to IS 16098 (part II):2013 including transportation, frieght charges, inspection charges, loading, unloading, complete as specified and directed by Engineer In-Charge. 1. 250 mm Internal Diameter

[22.219.1]Lowering, Laying and jointing of class SN 8 structured wall (External Annular Corrugated and Smooth Internal Surface Polyethylene Piping and fitting with the help of coupler(online/ offline) attached with one end of pipes, sliding over the elastomeric sealing rubber ring placed on the specified valley of the corrugation at the spigot end, lowering the same into the trench, laying on the lower bedding (constructed at bottom of trenches) at prescribed gradient, depth and alignment, testing the water tightness of the joints, ensuring the continuity tests of specified pipe segment etc. complete as per drawing, specification and detailed engineering, including cartage of pipes and fitting etc. as per direction of Engineer-in-charge. 1. 1250 mm Internal Diameter

[4.16.1.2]Excavating trenches of required width and depth for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m. 1.2. All kind of soil Pipes, cables etc, exceeding 80 mm dia but not exceeding 300 mm dia.

[6.1.8]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: 8. 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size)