Annual maintenance of Sewer...

[10.100.2]Cement Concrete 1:8:16 Flooring 2. Cement Concrete 1:8:16 with stone aggregate 40 mm size in foundation and plinth.

[11.11.1]12 mm cement plaster finished with a floating coat of neat cement of mix : 1. 1:3 (1 cement: 3 fine sand)

[21.28]Providing and fixing steel bar embedded plastic steps of size 263mm x 165mm of orange colour, confirming to specification in pump chambers, manholes etc., having minimum 3mm thick polypropylene polymer confirming to is:10910 encapsulated on 12mm dia ribbed steel bars per IS :1786. The rate include cost of setting the same to correct lines and levels duly embedded in 1:2:4 cement concrete including carriage, loading, uploading, stacking, handling, re-handling etc., complete in all respect to the satisfaction of Engineer-in-charge

[21.43]Extra over the rate laid down in this schedule for cement concrete work more making and finishing benching and complicated floor work in manholes, including formation of channels and bulldozing and smooth finishing the surface accurately to template.

[21.57.1.4]Providing masonry plugs to ends of sewers of all types with 11.43 cm thick brick wall in cement sand mortar 1:7 with 12 mm thick cement plaster 1:6 (as required by the engineer-in-charge). 1.4. For Circular sewers having internal diameter - 200 mm

[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

[21.96.2]Providing, lowering, laying, aligning, fixing in position and jointing at all level/ depths ISI marked HDPE pipe of PE-80 grade and PN- 4 for sewer application as per IS 14333-1996 (amended up to date) in trenches in complete including cost of HDPE Specials, labour, sectional hydro testing (including the cost and conveyance of water to site for testing) and commissioning as per Technical Specifications and as per direction of Engineer. Note: E/w to be measured and paid separately. Rate includes cost of all specials like bends, tees required during laying of pipe line along required alignment. 2. 225 mm Outside Dia

[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.

[4.17]Extra for excavating trenches for pipes, cables etc. in all kinds of soil for depth exceeding 1.5 m, but not exceeding 3 m. (Rate is over corresponding basic item for depth up to 1.5 metre).

[6.1.2]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: 2. 1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)