Camera Tower at Navikkayam Mala in Mullakkudy Section under Thekkady Range in Periyar Tiger Reserve during 2025-26

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 in in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 rn.AU kinds of soil

DOWEL BARS - Supplying and providing MS dowel hats of size 16 mm dia of 2m long (lm in rock and Im in concrete ) including drilling holes of 20mm dia to a depth of lm in rock and filling the gap with cement grout( O.lOkg/each) etc complete.

Centering and shuttering including strutting, etc. and removal of form for: Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

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

Providing and laying in position cement concrete of specified grade excluding the cost ofcentering and shuttering - All work up to plinth level: 1:4:8 (I Cement: 4 coarse sand (zone-ill) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement: 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting,fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

Fencing with angle iron post placed at required distance embedded in cement concrete blocks, every 15th post, last but one end post and comer post shall be strutted on both sides and end post on one side only and provided with horizontal lines arid two diagonals interwoven with horizontal wires, of barbed w ire weighing 9.38 kg per 100 metres (minimum), between the two posts fitted and fixed with G.I. staples, turn buckles etc. complete. (Cost of posts, struts, earth work and concrete work to be paid for seraralely) > Payment to be made per metre cost of total length of barbed wire used.With G.I. barbed wire

Engaging Coolie

LIGHTNING PROTECTION WORK Excavation for foundation in soft soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 metres.

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. (but without charcoal/ coke and salt) as required.

Supply, conveyance and erection of the following sizes of 'B' class GI pipe in single section for post top lantern of all types on concrete base (excluding charges for concrete base and excavation) and painting with 2 coats of synthetic enamel paint over a coat of zinc chromate primer etc. as required.50 mm dia GI pipe

Supplying, laying and jointing of the following sizes of double wall corrugated (DWC) pipes made out of HDPE conforming to IS 14930 Part II for mechanical protection to underground power cables with all required accessories in ground in the existing trench50/38 mm or nearest size

Supply and clamping the following size of strips on surface of wall/parapet/ existing cable tray using clamps fabricated from 20 X 3 mm GI flat duly painted or heavy duty GI spacer saddles spacing of clamps not exceeding 1 m, making good the damages, colour washing etc. as required (for horizontal run)25 x 6 mm copper strip

Engaging Wire man

LS Amount for Electronics works