Restoration of rain damages to Sewerage scheme Obri Mai Ka Baag and Sultanpur Mohalla of Chamba Town in Tehsil and Distt. Chamba

Removal of Sand, debries, Muck, in all kinds of soil including saturated soil but excluding boulders and rocky portion requiring blasting upto a distance of 20 metres dosposing of un-serviceable materials, stacking serviceable materials and neatly dressing the surface. with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Removing taking out and stacking as per Grade seperately choaked damaged Bio-media mixed with mud from existing Sludge Drying Beds including scrapping of dirt,dust, bailing out mudand cleaning washingof under drainage system and wallscomplete asdirectedby with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Placing 80 percent useable filter media as directedby with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Providing and placing 20 percent filter media as directed by Engineer-in-charge with in allleads and lifts with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Providing and placing Tube settler 1m height Chaveron shape tube, settler inclined at an angle of 55 degrees, with hirizontal in 2 units 5 x 3.90 m each, Chevron shape with minimum sheet Th .2mm ,PVC MMAqua Cooldeck as directed by with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Providing and placing 25 percent of total volume Bio media polyurethane rings 22mm dia15mm depth with fins inside Min surface area: 500m2/m3Virgin PP Non-topix Kaldness/Linpor/ OEPL/MM Aqua/ Cooldeck as directedby with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Dismentalling pumping mechinery and blowers and placing and assembling aftercleaningon pump foundation as directed by with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Recycle Pump

Blowers

Filterate Pumps

Dismentalling cleaningof Refitting complete Aeration system including Diffusers and air pipe as directed by Engineer-in-charge with in all leads andlifts.

Dismentalling cleaning of Relaying inter connecting pipe and valves as directed by with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Providing 30 percent of total fine bubble Type diffuser of 90mm outer dia,1000mm length,and slicon membrane or for ther size as per standred manufacturer guidelines, Air flowrate of each tube diffuser 0.33 m3 per min as directed by Engineer-in-charge with in allleads and lifts.

Excavation in foundation trenches etc. in earth work in all kinds of soil such as pick work, jumper work, blasting hard or soft rock by chiseling where the blasting work is prohibited slushy daldal and saturated soil I/c pumping or bailing out water with in all heights, stacking the excavated soil with in 15cm (Fifteen centimeters) when required in to plinths, sides of foundation consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed with in all leads and lifts as per direction as satisfaction of Engineer-in-Charge.

Providing and laying cement concrete 1:4:8 1:cement :4 sand:8 graded stone aggregate 40 mm nominal size and curing complete excluding cost of form work in foundation and plinth including carriage of material with in all leads and lifts, as per direction and entire satisfaction of the Engineer-in-Charge.

Providing form work with steel plates 3.15mm thick welded with angle iron in frame 30x30x5mm so as to give a fair finish including centring, shuttering strutting and propping etc. with wooden batten and ballies, in all heights of propping and centring below supporting floor to ceiling not exceeding 4 mtrs and removal of the same for insitu-reinforced concrete and plain concrete work in

Foundation footing bases of column, foundation drains etc. including all leads and lifts as per direction of the Engineer-in-charge.

Vertical surfaces such as wall any thickness partitions and the like including attached pillasters, buttresses plinth and string courses and the like in all leads and lifts as per direction and to the entire satisfaction of Engineer-in-charge.

Providing and laying cement concrete 1:1.5:3 1: cement :1.5 sand :3 graded crushed stone agg. of 20mm. Nominal size and curing complete excluding the cost of form work and reinforcement for reinforced concrete work in

Foundation footing bases of column and the like mass concrete with in all leads and lifts as per direction of the Engineer-in-charge.

Wall any thickness but not less than 0.10 mtr. Thickness including attached pilasters buttersses, plinth and string courses etc, from top of foundation upto floor two level with in all leads and lifts as per direction of the Engineer-in-charge.

Providing and Placing of mild steel tor steel (reinforcement for RCC work including bending,binding and placing in positioncomplete in all respect including all leads and lifts as per the direction and entire satisfaction of Engineer-in-Charge.

Providing and fixing to wall,ceiling and floor10.0Kgf cm² working pressure unplasticized P.V.C.Pipes Confirming to IS: 4985-1968 complete with pipe fitting sand clamps including making good the wall, ceiling and floor, 150mm nominal bore as directed by Engineer-in-charge with in all leads and lifts.with in all leads and lifts as per direction of the Engineer-in-charge.