Dismantling of 15M MARR Tower from Nagthane Tal Palus and Shirgaon Tal Walwa and Redeployment and Erection of 3 legged 15 M MARR Towers including Painting and Earthing at Kavathe Ekand Tal Tasgaon in Sangli SSA

Amount

Dismembering / Dismantling of 15 Mtr GBT/RTT MARR tower (from top to bottom) consisting of pre fabricated galvanised MS steel sections, steel pipes, angles, flats, plates, pipe poles, wave guides, GSM/MW/UHF Antennas, cables, platforms, lightening arrestors, aviation lamps etc as and where available, including dismembering of all members and fittings by removing the nuts and bolts including stacking in order of all members, Runway ,ladder,earthing flat,wave guide,antenna (GSM/MW/UHF), cables, accesaries, nut-bolts and other materials of towers at site carefully within 50m lead and making the site clear all complete as per the direction of Engineer in charge. (Rate is inclusive of all operation for engaging labour, T&P, ropes, scaffolding involved for dismantling of tower, clearing of jungle/ grass at site, if required, Dismentling of cement concrete if required for dismembering of tower and its accesories,counting of members or parts and preparation of list, stacking the tower material at required locations all complete.) All necessary arrangements & precautions shall be made during dismantling of tower for safety of life and property including necessary insurance cover for laboureres and third party. Nothing extra shall be paid on any account.)

15Mtr Ground based coupled MARR tower

15Mtr RT based single MARR tower

Shifting of dismantled 15mtr RTT from roof floor of building to ground level at Shirgaon, Tal Walwa and Nagthane Tal Palus with the help of pulleys, chains, ropes etc. all complete as per the direction of Engineer in charge. (Rate is inclusive of all operation for engaging labour, T&P, ropes, scaffolding involved for in operation) All necessary arrangements & precautions shall be made during operation of work for safety of life and property including necessary insurance cover for laboureres and third party. Nothing extra shall be paid on any account.) only one job will be paid for both sites.

Transportation of dismantled MARR Tower materialof 15M from BSNL sites at Shirgaon(Tal. Walwa) and Nagthane (Tal. Palus) to Kawthe ekand (Tal. Tasgaon) including loading and unloading,making security arrangements against theft/loss etcallied activities all complete as per direcion of the Engineer-incharge.( Tower material at Nagthane and Shirgaon to be shifted in same trip)

Erection of 15 Mtr RTT 3 Legged MARR tower consisting of Prefabricated galvanised MS Steel Sections, Steel Pipes , angles, Flats,Plates ,Pipe poles etc. as per the Design and Drawings including lifting the Tower Materials to Building Roof Top Level (Upto 15 M Height) from Ground Level with the help of Pullys, Chains, ropes etc . Realingnment of all members and fittings with the help of the nuts and bolts . Fitting all other tower accessories including Runway, ladder, earthing flat, wave guide, antena , cables, accesaries, nut-bolts and other materials of towers all complete as per the direction of Engineer in charge. (Rate is inclusive of all operation for engaging labour, T&P, ropes, fixing nuts and bolts , scaffolding involved for Erection of tower and its accesories all complete.) All necessary arrangements & precautions shall be made during Erection/Redeployment of tower for safety of life and property including necessary insurance cover for laboureres and third party. Nothing extra shall be paid on any account.)

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. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size)

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.

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

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

Columns, Pillars, Piers, Abutments, Posts and Struts

Rebaring upto 25 mm TMT bar with following operation. 1.Drilling hole upto 26.5 mm in dia.upto depth of 100mm in slab/150-200mm in columns and beams 2.Cleaning of hole by removing dust/concrete particles by suction. 3.Injecting in hole Chemical Fischer FIS V 360 or equivalent chemical and inserting 25mm dia bar.(Payment of TMT bar will be made under item no. 5)

upto 100mm depth in slab

200-250 mm depth in column / beam

Painting of Roof Top 3 Legged MARR Tower of height upto 15 m alongwith all Bracing Members, Accessories complete with two coats of synthetic enamel paint of approved brand and manufacture as per international Civil aviation rules (International white & orange) one coat of Zinc Chromate Yellow primer and one coat of Etch primer all complete as per direction of Engineer-in-charge. (NOTE:The rate is inclusive of painting of all tower materials including platform, antenna mount, ladder, vertical and horizontal tray, post etc. and will have to get insurance premium of all the workers employed by him for painting. )

Supplying Galvinsed MS Structural Members for bracing, Waveguide,Cable Ladder, Antenna Mounts, Gusset plates, base plates and other accessories of MARR tower as per the strucural drawings at site of work for consumption thereof . The Galvinised MS material required for tower, ladder, wave guide rack, antenna fixtures, pipe stand for lightening arrester, nuts, bolts, etc. as required shall be provided as per drawings in required lengths including drilling holes for bolts etc. in exact conformity with the approved drawings and as per the direction of Engineer-in-charge.

NOTES:

1. All tower materials shall be hot dipped galvanized. The tower materials, fabrication and galvanizing shall be as per relevant BIS and SERC specifications.

2. Measurements: Weight of individual member shall be worked out on the basis of linear measurements and standard coefficients. Nuts, bolts and washers shall be measured for payment.

Providing and fixing LED aviation obstruction lamp (with 55 LED Bulbs) of Saraj, Binoy, Aviads, Litten or equivalent make with light dependent resistance sensor (day and night automatic timer) with necessary MS brackets and MCB switches, clamps etc., complete, all as per directions of Engineer-in-charge.

Supplying & laying of 2x1.5 Sqmm armoured copper conductor Cable "Armoured ISI PVC Insulated & sheathed cable" of approved quality and brand including copper terminations/ Lugs etc. all complete as per directions of Engineer- in-charge. Sheath earthing for the armoured cable shall be done at minimum of two points on the tower as per the standards specified.

Supplying fixing hot deep galvanised GI flats,plates,nut bolts for tower earthing complete , as per direction of Engineer in Charge.

Providing and fixing copper Lightening arrester of 1500mm length, 25mm dia, hollow tube and of wall thickness not less than 1.60 mm including tinning the bottom portion of the spike for a length of not less than 150mm and connecting to the G.I. strip of size 50 x 3mm by means of clamps and 2nos 10mm dia brass bolts and nuts all complete as directed by the Engineer-in-charge.The lightening spike shall be fixed to the tower with Teflon sheet to avoid direct contact with the tower.

Fixing 3 No stem members (bottom members) of 3 Legged MARR tower foundation including accurate positioning, levelling with respect to other members etc. including fixing with connecting members at base and maintaining the position and level till casting of RCC work of pedestals/beam is over and applying Bitumen paint to the embedded portion as protection from rusting, complete as per the directions of the Engineer-in-charge.

Making Plate Earthing for resistance upto 0.5 Ohm as per the following specifications and as directed by Engineer-in-Charge.

1] Excavation of pit of size 1.20 x 1.20mt upto 2.50m depth (Cost of excavation will be paid in separately in item of excavation)

2] Providing G.I. Plate of size 600x600x6mm in pit including filling the pit with charcoal 100 Kg and salt 60 kgs. for G.I. plate earth electrode in layers & with cohesive soil for remaining pit, providing & fixing 20mm dia G.I. pipe with funnel for watering, funnel to be provided with grating/mesh at top.

3] All the G.I. plate electrode and G.I. flat interconnected with G.I. nuts and bolts and finally G.I. flats connected to ring earth / lightning arrester etc. complete as per direction of Engineer-in-charge.

4) Placing RCC Collar 300mm diameter over earthing pit with Cudappah stone of size 0.45mx0.45m as directed by Engineer in charge. (Note :- The rate includes all the operations and materials involved and necessary Acceptance & Testing by the Competent Authority and nothing extra will be paid on any account).

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.

Ordinary rock

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:5:10 (1 cement : 5 coarse sand(zone-III) : 10 graded stone aggregate 40 mm nominal size)

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) : 3 graded stone aggregate 20 mm nominal size).

Supplying Structural Drawings for foundation and Erection of 3 Legged MARR tower from Structural Engineer having Muncipal/Local body license of Strucural Engineers Profession in 3 sets all complete as per the direction of the Engineer in charge.

Guruling Arjun Naik