Damodar Valley Corporation Tender

Excavation work by mechanical means (Hydraulic excavator)/ manualmeans in foundation trenches or drains (not exceeding 1.5m in widthor 10 sqm on plan), including dressing of sides and ramming ofbottoms, lift upto 1.5 m, including getting out the excavated soil anddisposal of surplus excavated soils as directed, within a lead of 50 m, Ordinary rock.

Excavation work by mechanical means (Hydraulic excavator)/ manualmeans in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming ofbottoms, lift upto 1.5 m, including getting out the excavated soil anddisposal of surplus excavated soils as directed, within a lead of 50 m, Hard rock (blasting prohibited).

Supplying and filling in plinth with sand under floors including watering, ramming consolidating and dressing complete.

One brick flat soling including ramming and dressing bed to proper level and filling joints with powdered earth or sand. Grouted with sand : Class designation 5 brick

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level. 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:3:6 (1 Cement : 3 coarse sand (zone-III) : 6 graded stone aggregate 20 mm nominal size).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level. 1:4:8 (1 Cement : 4 Coarse sand : 8 Graded stone aggregate 40 mm nominal size)

Centering and shuttering including strutting, propping etc. and removalof form for all heights : Foundations, footings, bases of columns, etc. for mass concrete.

Centering and shuttering including strutting, propping etc. and removalof form for all heights : Columns, Pillars, Piers, Abutments, Posts and Struts.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. ( Thermo-Mechanically Treated bars of grade Fe-500 D or more.)

Providing, laying, fitting and fixing of PVC pipes (ORI plast Ltd or equivalent ISI approved) complete excluding trenching and refilling etc. As per direction of En-in-Ch. 63 mm outside dia ( ClassII, 0.4 Mpa )

Grouting of holding down bolts, base plates, anchors etc. using non-shrink free flow ready mix cementious grout material (SIKA grout 214, ANKOR-NSG or ANKOR-NRG or equivalent) for erection of equipments, structure on these foundation bolts, base plates, anchors etc. including supply of materials required for grouting, cleaning of pockets by air jets, preparation of base, mixing grout materials with water as per manufacturers specifications, pouring into pockets, holes ensuring escape of displaced air from the pockets and to keep the grout flowing. curing after initial hardening complete as per direction of the Engineer-in-charge. (Holding down bolts base plates, anchor bars etc are to be paid seprerately). Using 8mm down stone chips with grout material in proportion as recommended by the manufacturer of grout materials. (This item is suitable for areas having gaps more than 25mm around bolts, anchor and below base plates)

Grouting of holding down bolts, base plates, anchors etc. using non-shrink free flow ready mix cementious grout material (SIKA grout 214, ANKOR-NSG or ANKOR-NRG or equivalent) for erection of equipments, structure on these foundation bolts, base plates, anchors etc. including supply of materials required for grouting, cleaning of pockets by air jets, preparation of base, mixing grout materials with water as per manufacturers specifications, pouring into pockets, holes ensuring escape of displaced air from the pockets and to keep the grout flowing. curing after initial hardening complete as per direction of the Engineer-incharge. (Holding down bolts base plates, anchor bars etc are to be paid seprerately). Using liquid grout only(without chips). In the proportion recommended by the manufacturer of grout materials.

Brickwork with bricks of class designation 5 in foundation and plinth in Cement mortar 1:6 (1 Cement : 6 Coarse sand)

12 mm cement plaster of mix : 1:6 (1 cement: 6 coarse sand)

Neat cement punning

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge.

Providing and laying non-pressure NP2 class (light duty) R.C.C pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 Cement: 2 fine sand) including testing of joints etc. complete : 150 mm dia. R.C.C. pipe

Providing and laying non-pressure NP2 class (light duty) R.C.C pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 Cement: 2 fine sand) including testing of joints etc. complete : 250 mm dia. R.C.C. pipe

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing, laying, fitting and fixing of PVC pipes (ORI plast Ltd or equivalent ISI approved) complete excluding trenching and refilling etc. as per direction of En-in-Ch .75 mm outside dia ( ClassII, 0.4 Mpa )

Earthing with GI earth pipe 4.5 m long, 40 mm dia including accessories and providing masonary inclosure with cover plate having locking arrangement and watering pipe etc with Charcoal/ coke and salt as required.

Earthing GI (Rod type) 25 mm 1.2 Mtr