Execution of Balance Civil works under Substation Extension Package SS-110 (Part-B)

Excavation in all kind of soil including rock for all leads and lifts, backfilling, disposal of surplus earth within a lead up to2Km as per technical specification. The surplus earth shall be roughly graded .

Site filling and leveling (low lying area to be filled by borrowed earth)

Providing and laying of Plain Cement Concrete (PCC) (1:4:8)

Providing and laying of Plain Cement Concrete (PCC) (1:2:4)

Providing and laying of Reinforced Cement Concrete M25 mix including pre cast, shuttering, Grouting of pockets & underpinning butexcluding steel reinforcement

Providing and laying Plain Cement Concrete 1:5:10 (1 cement : 5 sand : 10 brick aggregate)

Steel Reinforcement

Misc. Structural steel including rails, embedments, edge protection angles, gratings etc. but excluding the reinforcement steel andsteel for lattice and pipe structures.

Stone spreading in switchyard excluding PCC

Antiweed treatment

Stone filling (40 mm size) for transformer/Reactor foundation/SWITCHYARD

RCC culverts and cable trench crossings including supplying and laying hume pipe 250mm dia of grade (NP-3) excluding concrete as perspecification.

RCC culverts and cable trench crossings including supplying and laying hume pipe 300mm dia of grade (NP-3) excluding concrete as perspecification.

RCC culverts and cable trench crossings including supplying and laying hume pipe 450mm dia of grade (NP-3) excluding concrete as perspecification.

Drains section A-A including culverts but excluding concrete & reinforcement steel

Drains Section B-B including culverts but excluding concrete & reinforcement steel

Drain including culverts but excluding concrete & reinforcement steel-Section C-C

Boring, providing and installing bored cast-in-situ reinforced cement concrete pile of 450 mm dia and specified length below thepile cap to carry a safe working load not less than specified including the cost of boring, temporary casing, bentonite solutionetc. complete. The length of the piles shall be measured from bottom of the pile cap to the lowest point of pile. The cost ofreinforcement steel, cement concrete, routine and initial test shall be paid separately under respective items of BPS.

Providing and laying of reinforced cement concrete for piling work of Grade M-25 ( Minimum cement content of 400Kg/cu.m.) ofspecified diameter & length below the pile cap

Routine test-Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform andpreparation of pile head or construction of test cap and dismantling of test cap after test etc. complete as per specification & thedirection of Engineer in-charge. - 450mm Dia pile

Routine test- Lateral load testing of single pile in accordance with IS Code of practice IS : 2911 (Part IV) for determining safeallowable lateral load on pile -450mm dia pile

Routine Pullout Test of piles in accordance with IS 2911(Part-IV) inlcuding T&P, labour , hydraulic jack etc. complete-450mm diapile

20.9 Integrity testing of Pile using Low Strain/ Sonic Integrity Test/ Sonic Echo Test method in accordance with IS 14893 includingsurface preparation of pile top by removing soil, mud, dust & chipping lean concrete lumps etc. and use of computerised equipmentand high skill trained personal for conducting the test & submission of results, all complete as per direction of Engineer-in-charge. Note: DSR unit is 'per test'

3.75m wide Cement Concrete road with PCC shoulder including 100 mm dia RCC Hume Pipe @ 100 metre interval as per drawing and TS.However, reinforcement steel and all type concrete shall be paid separately under relevant items

Dismantling of existing -3.75m black top road

Chain link fencing matching with existing fence excluding concrete

Dismantling & Re-erection of Existing fence

Construction of buried cable trench along with excavation, PCC, back filling, restoration and construction of jointing bays (asper requirement) etc. as per technical specification

Boring, providing and installing bore cast-in-situ reinforced cement concrete pile of specified diameter and length below thepilecap, M25 grade ( Minimum cement content of 400Kg/cu.m.) in cement concrete, to carry a safe working load not less thanspecifiedexcluding the cost of reinforcement steel and cement concrete which shall be paid separately but including the costof boring withcasing and/or bentonite solution and the length of pile to be embedded in the pile cap (length of pile boringfor payment shall bemeasured up to bottom of pile cap)-250 mm dia underreamed pile

Routine test- Pull out testing of single pile in accordance with IS Code of practice IS : 2911 (Part IV) for determiningsafeallowable lateral load on pile -250mm dia pile

Routine test- Lateral load testing of single pile in accordance with IS Code of practice IS : 2911 (Part IV) for determiningsafeallowable lateral load on pile -250mm dia pile

Routine test- Compression load testing of single pile in accordance with IS Code of practice IS : 2911 (Part IV) for determiningsafeallowable lateral load on pile -250mm dia pile

Demolishing cement concrete including disposal of material-1:2:4

Demolishing cement concrete including disposal of material-1:4:8

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

15.19 Dismantling steel work manually/ by mechanical means in built up sections without dismembering and stacking within 50 metreslead as per direction of Engineer-in-charge.

15.7.4 Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceablematerial within 50 metres lead as per direction of Engineer-in-charge. : In cement mortar

15.12.2 Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc.complete and stacking within 50 metres lead : Of area beyond 3 sq. metres

15.24 Demolishing dry brick pitching in floors, drains etc. including stacking serviceable material and disposal of unserviceablematerial within 50metres lead

15.28.1 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:G.S. Sheet

Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete including construction of 600 mm high and230 mm wide cement concrete (1:3:6) (1 cement : 3 coarse sand (zone-III) : 6 graded stone aggregate 20 mm nominal size) toe wall atthe lowest portion of stone pitching area etc. completed as per theinstruction of Engineer-In-Charge. .

Supplying and erecting dewatering pumps- 2 HP

6.1.2 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5.

13.1.1. 12 mm cement plaster of mix : 1:4 (1 cement: 6 fine sand)

13.47.1 Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade: New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

13.44.1 Finishing walls with water proofing cement paint of required shade : New work (Two or more coats applied @ 3.84 kg/10 sqm)

Sand filling for tower, equipments and others also excluding PCC

Demolishing PCC including disposal of material-1:5:10

Switchyard Panel Room - Civil Works. All civil works as per drawing and specifications complete, including - brickwork, finishing(external and internal), windows etc. However, excavation, PCC, RCC and reinforcement shall be paid separately as per BPS.

Removing, Cleaning and washing of existing stones and respreading of stones in switchyard excluding PCC

2.25 Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m

15.2.1 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

26.28.3 Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-InCharge. average 25mm thickness.

26.31.2 Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

26.29.1 Bars upto 12 mm diameter

26.29.2 Bars above 12 mm diameter

Demolishing PCC including disposal 1:5:10 (PCC)

Erection of 28mm dia foundation bolts including nuts, checknuts, washers and packplates.

Erection of 40mm dia foundation bolts including nuts, checknuts, washers and packplates.

Erection of 56mm dia foundation bolts including nuts, checknuts, washers and packplates

Erection of 32mm dia foundation bolts including nuts, checknuts, washers and packplates