Construction of 40 metre NBFL Tower foundation erection painting and other allied works at Garhwa ETR Campus Distt Garhwa BA Ranchi

Amount

SH: EARTH WORK

Earth work in excavation over areas (exceeding 30 cm in depth,1.5m in width as well as 10sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m,diposed earth to be levelled and neatly dressed:

All kinds of soil.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m 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 m.

All kinds of soil.

Earth work in excavation over areas (exceeding 30cm in depth . 1.5m in width as well as 10 Sqm on plan ) including disposal of excavated earth , lead upto 50m and lift upto 1.5m ; disposal earth to be levelled and neatly dressed.

Ordinary rock

Hard rock ( blasting prohibited )

Extra for every additional lift of 1.50m or part there of :

All kinds of soil.

Ordinary or hard rock.

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

SH: CONCRETE WORK

Providing and laying cement concrete of specified grade excluding the cost of centring and shuttering All work up to plinth level

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

SH: R.C.C. WORK

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 (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:

Foundations, footings, bases of columns, etc. for mass concrete

Lintal, beam, Plinth beam girders, bressumurs and cantilevers.

Columns, pillars, Piers, abutments, posts and struts.

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-500D or more.

RCC work smooth finishing of exposed surface with 6 mm thick cement moratar 1:3 ( 1 cement : 3 fine sand )

SH: STEEL WORK

Labour Charges for arranging and fixing the anchor bolts in position during concreting (base plate and anchor bolts supplied by the department at free cost).

Labour Charges for erection and fixing of tower members as per standard / approved drawing, schedule including tighting of nuts, bolts, washers, with propers tools and plants, fixing of antenna fixture cable tray platform and railing and ladders of all complete i/c sorting of the tower material as per direction of Engineer In-Charge.

On 40 mtr Tower

P/F Horizontal / Vertical cable Tray with galvanised iron sections connected by bolts and nuts or by welding to required line and level including connecting legs as required as per direction of and full satisfaction of Engineer in Charge. (The Galvanised shall be as per IS 4759 with average mass of zinc coating of 610 gm/sqm i.e. approximately 85 micron).

Providing antena mount made of galvanised iron section and medium quality G.I pipe & fixing by bolts and nuts or by welding at required height (upto 40 metre) as per direction of Engineer-in-charge (Erection & fixing to be paid separately in tower erection item).

On 40 mtr tower.

SH: FINISHING WORK

Neat Cement punning

Applying two or more coats of high gloss synthetic enamel paint of approved brand and manufacture and of required shade and pattern over and including one or more base coats of zinc chromate primer of approved brand and manufacture on 40 meter high tower all complete as per direction of Engineer-in-charge.

On 40 metre Tower.

SH: Allied work

Carriage of tower materials including anchor bolts and templates by mechanical means from BSNL store to the tower site including loading, unloading and stacking all complete as per the direction of Engineer-in-charge, from BSNL store at RTTC Ranchi upto GARHWA ETR Campus.

(i) Steel Tower

(a) Up to distance of 5.00 Km.

(b) Beyond 5.00 Km to 10.00 km. Distance

(C) Beyond 10.00 Km to 20.00 km. Distance

(d) Beyond 20.00 Km to 65.00 km. Distance

Sorting of tower material of 40 mtr. Tower of weight 8 to 9 MT. from telecom store (This includes confirming of tower material , arranging the members including making detailed members information complete as per direction of Engineer in charge)

Fencing with angle iron post placed at required distance embedded in cement concrete blocks, every 15th post, last but one end post and corner post shall be strutted on both sides and end post on one side only and provided with horizontal lines and two diagonals interwoven with horizontal wires, of barbed wire weighing 9.38 kg per 100 m (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 separately). Payment to be made per metre cost of total length of barbed wire used.

With G.I. barbed wire

Supplying at site Angle iron post & strut of required size including bottom to be split and bent at right angle in opposite direction for 10 cm length and drilling holes upto 10 mm dia. etc. complete.