Construction of Semi underground Bunker (L-65m , H-4.2m , W-4m) in PTSO Lake Area Location A , Tawang Site

Amount

SURFACE EXCAVATION IN SEMI UNDERGROUND BUNKER

Common excavation in All kind of soil in Semi Underground Bunkers for all leads and lifts.

Rock Excavation : in Semi Underground Bunkers for all leads and lifts.

BACKFILL

Compacted backfill in sides of Semi- Underground bunker.

Filling fine sand in plinth under floors & top of roof in gunny bags .

Gravel Filling

CONCRETE

Damp proof course with Cement concrete with water proofing material in plinth ( cost inclusive of water proofing material) 50 mm thick with cement concrete M20A20

Cement concrete (C.C.) of specified grade with water proofing material including the cost of centering and shuttering- all work upto plinth level . M20A20 in Semi underground Bunker

Reinforced cement concrete (RCC) in structural concrete in foundation, Plinth,columns, beams, slabs, staircase, walls etc. M30A20

Cement concrete flooring with water proofing material & concrete hardener topping . 62mm thick with cement concrete M20A20

Extra for providing and mixing of Water proofing material in cement concrete,reinforced cement concrete and flooring .

Cement Variation

FINISHING WORKS

Cement plaster 15mm on the wall of Semi Underground Bunker

Cement plaster 6mm on the roof slab of Semi Underground Bunker

Extra for providing and mixing of Water proofing material in cement plaster work

Distempering with oil bound washable distemper

Finishing walls with acrylic smooth exterior paint.

REINFORCING STEEL

Deformed Reinforcing bars Grade Fe 500

WATER PROOFING

Providing , laying & fixing of Water Proofing Geo Membrane PVC-P Type 2mm thick

Providing , laying & fixing of 500 gsm Geo Textile

25 mm thick thermocol on outer surface of geo membrane

Perforated PVC 75 mm dia pipe

Expansion joint treatment with joint filler

MISCELLANEOUS

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3 mm M.S.gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using M.S. angels 40x40x6 mm for diagonal braces. With complete fittings and fixtures.

MS railing

Z-Ventillator

ELECTRICAL ITEMS

Flame proof Led Light Surface mounted/wall mounted 2x20 watt

Installation , testing & commissioning of lighting fixtures Fully enclosed

Underground Point wiring for Lighting fixtures with 2x2.5sqmm Copper cable + 1x2.5sqmm Copper earth wire & steel conduit

Supplying and fixing 8 way, single pole and neutral, sheet steel, MCB distribution board, double door 240 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din bar, interconnections, powder painted including earthing etc. as required. (But without CB/RCCB/Isolator)

Supplying & fixing of ELCB in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker suitable for inductive load of 2 poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Supplying & Fixing of of 2P surge protection/Lightning device in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required.

Supply,installation & commiissioning of DSLP(Direct stroke Lghtning Protection) for surface type area including copper lightning arrestors,earthing flats for mash on roof & connection to grounding system and providing seperate earthing system for DSLP in compliance with IEC/IS standard.