Replacement of filter media, clearance of sludge beds at 1.5 MGD STP, Nangal and Raising/repair of existing manholes for the maintenance of sewerage system at Nangal Township

Amount

Earth work of silt clearance of channels and drains :-b) Basket work with combined lead upto 7.50 metres undressed. (CSR item No. 6.1 (b))

Providing and placing in horizontal layers filtering media screened, washed and cleaned as described below:- (a) Top Layer:Top layer :- Fine sand screened, cleaned and washed and graded (effective size 0.2 to 0.4mm with uniformity coefficient 2.00 to 3.00) from Pathankot or other approved source.(CSR item No. 28.51 (a))

Providing and placing in horizontal layers filtering media screened, washed and cleaned as described below:- (b) Second Layer :- Coarse sand screened, cleaned and washed and graded from 3mm to 6mm (from Pathankot or approved equivalent quarry). (CSR item No. 28.51 (b))

Providing and placing in horizontal layers filtering media screened, washed and cleaned as described below:- (c ) Third Layer :- Bajri screened, cleaned and washed and graded from 6mm to 20mm (from Pathankot or approved equivalent quarry).(CSR item No. 28.51 (c ))

Providing and placing in horizontal layers filtering media screened, washed and cleaned as described below:- (d) Fourth Layer :- Bajri (Coarse) screened, cleaned and washed and graded from 20mm to 25mm (from Pathankot or approved equivalent quarry).(CSR item No. 28.51 (d))

Providing and placing in horizontal layers filtering media screened, washed and cleaned as described below:- (e ) Bottom Layer :----- Broken stone, screened, cleaned and washed and graded from 50mm to 75mm (from Pathankot or approved equivalent quarry).(CSR item No. 28.51 (e))

Earth work of silt clearance of channels and drains:- (a) Kassi work undressed involving an average horizontal throw up to 2 meters and average vertical lift up to 0.5 metres.(CSR item No. 6.1 (a))

Earth, Surkhi, sand, Earth, Fly Ash, Bajri, Ballast, Stone Boulders, Kankar and Building Rubbish, Earth. 2.0 Km. (CSR item No. 5.2 (i))

Raising RCC slab of all thickness on Manhole chamber to desired height and placing back in position after raising the Manhole (Raising depth of Brick Work and Plaster will be paid extra as per CSR Item.) (b)Inside size 90x150 cm (Labour Rates).(CSR item No. 29.68 (b))

Raising RCC slab of all thickness on Manhole chamber to desired height and placing back in position after raising the Manhole (Raising depth of Brick Work and Plaster will be paid extra as per CSR Item.) (c)Inside size 120x180 cm (Labour Rates).(CSR item No. 29.68 (c))

First class burnt brick work laid in cement sand mortar 1:5 in foundation and plinth.(CSR item No. 11.5)

12.5 mm thick cement plaster 1:3.(CSR item No. 15.8)

Excavation manually in trenches with straight or open cutting in a built upstreat/Lanes having wall to wall width upto 3mt for sewer and manholes to full depth as shown in drawing, including shoring, dressing to correct section and dewatering of rainwater, provision for diversion for traffic, protection of existing service i.e Telephone cable, electric lines, water supply lines and gas lines etc. Night signals, profiles, pegs, sight rails, boring roads, fixing and mtc. of caution boards, fencing, refilling trenches, watering, dressing and restoration of surface to original level and removal of surplus spoils from the site of works upto 15 mt. , for all works other than connections to ventilating shafts upto a level of 15 mtrs. A. for depth not std (i) all classes of soil except rocky. (CSR item No. 29.4 A i)

Dismantling stone masonry/Rubble masonry including stacking of serviceable materials and disposal of unserviceable materials. (b) In cement.(CSR item No. 8.1 (b))

Cement Concrete 1:3:6 with stone ballast or shingle mixing by manual means.(CSR item No. 10.12 a i)

First class burnt brick work laid in cement sand mortar 1:6 in foundation and plinth.(CSR item No. 11.3)

12.5 mm thick cement plaster 1:4.(CSR item No. 15.9)

Reinforced cement concrete M-20 mechanically batch mixed using batch type concrete mixer as per IS: n1791 and vibrated by needle vibrator but excluding steel reinforcement centering and shuttering in foundation and plinth.(CSR item No. 10.15)

Cold twisted deformed (Ribbed/ Tor Steel) Bars Fe 500 grade as per IS 1786-2008, for R.C.C works, where not including in the complete rate of RCC including bending and binding placing in position complete.(CSR item No. 18.18)

Centering & Shuttering for flat surfaces such as suspended floor, roof, landing, chajja, shelves etc.(CSR item No. 9.8)

Shuttering for faces of concrete foundations and foundation beam & plinth beam (vertical or battering).(CSR item No. 9.1)

Providing, Laying , fixing & jointing of P.V.C. Pipes as per ISI-4985 (ISI marked with the prior approval of Engineer-in-Charge) along the Trenches and laying the same in Trenches to correct alignment and gradients, cutting, jointing and testing complete as per specifications. (xxii) 110mm o/d PVC pipe of 4 Kgf. / sqcm.(CSR item No. 28.13 (xxii))

Dismantling concrete reinforced cement concrete.(CSR item No. 8.6 (e))

Distilling of Manhole including all safety measure cost of container T&P and disposal of silt up to 5 km complete in respect. (Upto 3 mtr.)(CSR item No. 29.71 (a))

Providing & fixing 560 mm, 500 mm and 450 mm internal diameter circular or 450 mm x 600 mm clear inside opening rectangular RCC manhole cover and frame ISI marked as per IS:12592-2002 including carriage from the stores of the Engineer-in-charge to site of work, loading, unloading including stacking and setting the same to correct lines over manholes including cement concrete copping (M:20) around the frame etc. Dia of steel for lifting hook is 16mm. (for EHD and HD). A. RCC Man hole cover with Frame a. 560mm i/d RCC man hole cover with frame as per ISI i. Extra Heavy duty.(CSR item No. 29.34 A a i)

Foot Rest for Manhole. Providing orange colour safety footrest of minimum 6mm thick plastic encapsulated as per IS:10910 on 12mm dia steel bar confirming to IS: 1786 having minimum cross section as 23mm x 25mm and over all minimum length 263mm and width as 165mm with minimum 112mm space between protruted legs having 2mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specification and having manufacturer's permanent identification mark to be visible even after fixing, including fixing in manholes with 230x150x75cm cement concrete block 1:2:4 (1 cement: 2 sand: 4 stone aggragate) complete as per design.(CSR item No. 29.35)

Bidder Name

Amount in Words

THE DASGRAIN CO OP L AND C SOCIETY

ANMOL KATYAL CONTRACTOR

SUBASH CHAND

THE GAG CO OP L AND C SOCIETY

THE DASGRAIN CO OP L AND C SOCIETY

THE GAG CO OP L AND C SOCIETY

SUBASH CHAND