Providing Galvanized Iron Tubular Mast Structure over the Buildings at NEHRU COLLEGE PAMPADY GOVT ENGINEERING COLLEGE TRICHUR

Amount

Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels,bands, plain window sills, staircases and spiral stair cases above plinthlevel up to floor five level, excluding the cost of centering, shuttering,finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form for all heights :

Steel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more

Smooth finishing of the exposed surface of R.C.C. work with 6 mm thick cement mortar 1:3 (1 Cement : 3 fine sand).

Supply & Fabrication of Galvanized Iron in built up (round, square or rectangular hollow tubes etc.) Tubular Mobile Telecommunication Tower works ( including Ladder / Cable Tray etc ), including cutting, fixing in position , including welding and bolted with special shaped washers etc. complete.

Fabrication of Galvanized Iron in built up (round, square or rectangular hollow tubes etc.) Tubular Mobile Telecommunication Tower works ( With materials supplied free of cost by Department ) , including cutting, fixing in position , including welding and bolted with special shaped washers etc. complete.

Lifting/hoisting /Erecting the Roof Top tubular Tower Assembly units of 3.00m length from the ground to the roof top of the proposed building with rope & pulley arrangement without causing damage to the units as well as the building and Erection of mast in segments of 3m each and having approximate weight of 35 kg including providing & fixing MS hot dipped galvanized nuts, bolts and washers tightening properly, etc. complete as directed by the Engineer-in-Charge.

Upto 30.00 m height

Providing and placing of anchor bolts in sets including templates all labours and handling charges and checking with template in line level plumb etc as required by the Telecom authorities etc complete.

Drilling hole in hard granite/RCC using pneumatic percussion rotary drill and forming rough side bore holes of uniform size and alignment including making the hole free from debris, dust by flushing, etc. and disposal of the rubbish as directed by the Engineer-in-Charge:-

25mm dia

Supply and filling polyster resin grout of approved quality (Lokset-S of Fosroc or equivalent) in bore holes of 25mm dia and alround anchorage reinforcement bars, after completely cleaning the holes free from dust including degreasing the anchoring bars and removing any flaky rust, if present, etc. complete. Resin and catalysed filler to be mixed in one operation. The rate is inclusive of all labour charges and material cost:-

25mm dia bore holes

Providing and fixing multistranded high tensile stainless steel stay wire rope of 8mm dia for anchoring and tightening the mast, one end of the stay wire should be connected to the mast at top at specified height and the other end should be anchored to RCC block cast on the roof including necessary stainless steel clamps, clips, nuts and bolts, etc. complete.

Providing and applying paint of approved specification over the Tower indicated in item No.5 above .(Two coat of epoxy primer (MRF,Asian paint or equalent)should be applied first followed by two coats of epoxy paint Orange/White of approved brand and manufacture should be applied).

Supply of Good quality MS hot dipped galvanised bolts,nuts,plain and spring washers etc .of different diameter size as specified for tower works.( The item shall be executed for providing in place of the Missing Nuts and bolts if any during dismantling and transportation of tower earlier.The payment shall be made only to the fresh quantity of Materials supplied to the site according to the requirement )

Supplying and Fixing Mild Steel Anchor Bolts of Required Diameter and Length ( Diameter Varying from 16mm to 32mm ) for Tower Foundation including Making Steel Templates with Necessary Holes to suit the Diameter of the Anchor Bolts including Mechanical threading to the top 15 centimeter length of Bolts , welding with necessary MS Plates at the bottom of independent anchor bolts ,etc.complete .The Anchor Bolts and Template shall be fixed to line and Level keeping the Centre to Centre Distance in tact ,inside the Centring and shuttering of the Tower Beams Before doing concreting of Tower Foundation .( The Rate includes the cost of All Labour involved in the Above operation ,Materials ,Transportation and Fixing Charges and Nothing Extra shall be Paid on Any Account )

Providing and fixing copper lightning conductor of 1500mm length, 25mm dia hollow tube of wall thickness not less than 1.6mm…including tinning the bottom portion of the sprike for a length not less than 150 mm (lightning conductor to be fixed at the top of the tower) and connecting the GI busbar to the lightning arrester using 2 Nos. 10 mm dia brass bolts and nuts all complete as directed by the Engineer-in-charge. (All joints should be covered by Shalimar or equivalent water proof tape and made air tight].

SUMESH K M (BID ID -874788)