Providing Sewerage Scheme with STP and Augmentation of WSs for Rehan area etc. in Tehsil Fatehpur District Kangra HP

Amount

Construction of Sewage Treatment Plant of 1.02 MLD capacity based on integrated treatment system based on secondary treatment by MBBR followed by tertiary treatment based on natural treatment in the shape of constructed wetland, including evolving planning, hydraulic & structural designs & drawings, testing and commissioning of treatment facility. The Sewage Treatment Plant should be capable of treating domestic raw sewage for reuse other than potable use having characteristics of BOD =350 mg/litre & suspended Solids =650 mg/litre and the characteristics of treated /disposable effluent should comply with the standards as per the norms of H.P. State Pollution Control Board i.e. PH = 6.5- 9, BOD ≤ 10 mg/litre, COD ≤ 50 mg/litre, TSS ≤ 50 mg /litre, Faecal Coliform (MPN /1000 ml) <100, N - Total ≤ 10 mg/litre, NH4 - N ≤ 5 mg/litre. The scope of work includes construction of Equilization Tank, MBBR Tanks, Primary Settling Tank, Secondary Settling Tank, Oil Separator Tank, Filter Feed Tank, Treated Water Tank, Sludge Holding Tank, Disinfection Tank, RCC components of STP i.e chambers, Sludge Drying Bed, Parshall Flume, Providing & fixing Electro-mechenical STP components, Lab & JE accommodation, Lab Equipments, DG set &. Sewer suction jetting machine, Operation & Maintence of Sewage Treatment Plant and assocated network for five years with in all leads and lifts complete in all respect as per the entire satisfaction of Engineer-in-charge (as per chapter No. vi(a), vi(b), vi (c). 3 Months of successful trial run as per the provisions of Manual on Sewerage & Sewage Treatment published by CPHEEO Manual (Latest edition).

Excavation in foundation, trenches etc., earth work in all type of soil such as pick work, jumper work, blasting work Kankar, moorum shingles including decomposed soft and hard rock i/c cutting top of metelled road, rigid pavement etc., upto all heights stacking the excavated earth not more than 3 metere clear from the edge of excavation and then returning the stacked soil in 15cm layers, when required into plinth and sides of foundation etc., consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth up to all leads and lifts etc., complete in all respect and as per the direction of Engineer-in-charge.

Laying, jointing and testing in trenches centrifugal cast ductile iron (spun) pressure pipes as IS:8329/2000 class K-7 duty ISI marked, inside cement mortar lined suitable for tyton push onjoints for sewer lines including cutting of pipe. Chamfering where required (earth work in trenches to be measured and paid for seperatly) including carriage up to site of work, testing etc, also a provision for 100m for vent pipes complete in all respect as per instruction of the Engineer-in-charge

150mm dia

200mmdia

250 mm dia

Providing andfixing in trenches centrifugal cast ductile iron fitting IS:9523/2000 class A series K-7 inside cement mortar lined suitable for titon ((push on joints) for sewer, such as socketed bends of all degree, socketed Tees . collars and all ther required fittings, including carriage up to site of work, testing complete as per instruction of the Engineer-in-charge (earth work in trenches and jointing of pipes to be to be measured and paid for seperatly).

150 mm dia bends

90 degree

45 degree

22.5 degree

11.5 degree

200 mm dia bends

90 degree

45 degree

22.5 degree

11.5 degree

250 mm dia bends

90 degree

45 degree

22.5 degree

11.5 degree

Laying and jointing HDPE pipe (PE-80, Class PN 4.0) of 110 mm dia (109 Nos. x 10 meters).

Providing, laying Pre-cast RCC Rectangular Inspection Chambers, 125 mm thick including cover (219 Nos) size 600 mm x 600 mm inner dimension height 500 mm.

Providing and jointing tyton (Push on joints) to Ductile iron pipe and fitting including testing of the joints, cost of rubber gasket (EDPM quality) conforming to IS 3382 latest edition/ ammendments complete in all respect within all leads and lifts and as per latest ammendments or edition.

Providing and fixing DI K-12 double socket flanged Y Tee 150x150mm Dia as per IS 8329-2900 complete in all respect within all leads and lifts and as per latest ammendments or edition.

Providing and laying cement concrete 1 : 6 : 12 (1 cement : 6 sand : 12 graded stone aggregate 40 mm nominal size) and curing complete excluding cost of form work in foundation & plinth.

Providing & laying cement concrete using M-30 (Design Mix) but not less than 1:1.5:3 (1 cement : 1.5 sand : 3 graded stone aggregate 20 mm nominal size) and curing complete excluding the cost of form work and reinforcement for reinforced cement concrete work in :-

Wall (any thickness but not less than 0.10 mts. thickness) attached pillasters, buttresses plinth, and string courses etc.from top of foundation level upto floor two level.

Providing and laying Pre cast RCC Ecentric Conical Manhole Chambers, 125 mm Thick including cover and foot steps. Size 1000mm inner Dia at Bottom & 560mm Inner Dia at Top, Height 800 mm.

Providing and laying Pre cast RCC Manhole Rings, 125 mm Thick to maintain depth of manholes. Size 1000mm inner Dia & Height 300 mm

Providing and laying cement concrete 1:1:2 and curing complete excluding cost of form work and reinforcement in walls from top of foundation level upto floor two level.

Providing and fixing mild steel/tor steel reinforcement for RCC work including binding and placing in position complete upto floor two level.

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 battens and ballies height of propping and centering below supporting floor to ceiling not exceeding 4meters and removal of the same for in-situ reinforced concrete and plain.

Vertical surfaces such as walls (any thickness) partitions and the like including attached pillasres buttresses, plinth & string courses and the like.

Laying, jointing and testing GMS Tubes in trenches complete in all respect (Earth work in trenches to be measured & paid for separately)

25 mm dia

Providing and fixing Brass full way wheel valve complete in all respect.

25 mm dia

Repair of paved gullies damaged during laying of Sewel Line.

Repair of roads damaged during laying of sewel line

RK Gupta AND CO

SS Engineering Corporation