Dismantling and Reinstallation of Existing Trolley Gate including Testing and Commissioning of Electrically Operated sliding type MS Trolley Gate on Taxiway at Bareilly Airport

Amount

SH I - Dismentaling and Reinstallation of Existing Trolley Gate Dismentalling of existing trolley gate of length 56 Mtr and height 4 incuding concertina coil at top after that redesign, supply and installation /reinstallation of same length and height approx of 3.8 mtr trolley gate by modifying/replacing with the freash base frame,axcel,wheels, wheel track etc. by carrying out following worrks as per the enclosed specifications and drawings i/crequired fabrication works complete for smooth opeartion. The scope also includes supply of all additinal material required. The M.S material used shall be as per respective IS codes and as per the approved makes. The gate shall consist of 1 leaf suitable to close clear opening of 56 mtrs with height approx 4 mtrs from finished floor level (height includes height of wheels, gate frame and concerntena coil) to match with height of IAF boundary wall.The entire structure of the gate should withstand and remain stable at 47m/s wind velocity at Bareilly Airport. (1) Removing existing frame and making a new fresh new base frame by redesign and as per site requirement. (2)The gate shall be provided with suitable fresh wheels for noiseless operation. The bearings used shall be of reputed make or as recommended by the OEM. The overall dia of wheels shall not exceed 300 mm dia. With suitable size shaft and the wheels. (3)Suitable nylon rollers shall be provided in Guide posts and between leaves of gates for proper alignment and balancing of gate or as recommended by OEM. (4)Replacement of galvanized toothed afresh rack of suitable size - Min 56 Mtr. (5)A fresh new Bottom track of suitable size as per design for smooth movement of trolley gate- 230 mtr (6)Primer and painting of trolley gate. (7) The dismantled material in good condition except , base frame , track , wheels and motors shall be used for fabrication and All the remaining surplus dismantled material(old base frame, track, wheels and motors etc. )shall be measured, weighted and handed over to AAI. (8) The entire work has to be be completed by testing and commissioning after reinstallation of complete structures i/c motor and control panel by making provision of switches to operate the trolley gate in forward,reverse direction and stop by separate switch.The control switch shall be at AAI side and another remote operating switches/mechanism for IAF tower, complete in all respect to the satifaction of EIC. (Note: One suitable manual type geared mechanical arrangment is to be provided for openening and closing of the gate manually in case of failure of electrically operation of the trolley gate.)

Supply ,installation, testing and commissioning of motorised automation system comprising of following machine and accessories suitable to operate the heavy MS trolley gate structure ( not less than 9000kg)for opening and closing length of 56 mtr in one go. (i) Two set of suitable capacity of Motor one as main and other as standby with control panel and radio receiver for AUTO DIAGNOSIS of all safety controls. (ii) Flashing Light 230V - 25 watts. (iii) Radio Transmiter ( Remote control unit ) including all accessories as required. (iv) Supplying and Laying of suitable size and length of power cable and their end termination the nearest LT panel at approx distance of 30 Mtrs. (v)Providing and installing control/ command switch(push button type) box with weatherproof enclosure near existing LT panel including spplying and laying and making connections from motor control unit to push button complete as required for the operation of trolley gate by push button.

SH II - Civil Work Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. Made of G.I. wire of dia 4 mm

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

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 upto 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

Centering and shuttering including strutting, propping etc. and removal of form for : Foundations, footings, bases of columns, etc. for mass concrete.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:1½:3 (1 Cement: 1½ coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size)

Providing and fixing concertina coil fencing with punched tape concertina coil 600 mm dia 10 metre openable length ( total length 90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron ‘Y’ shaped placed 2.4m or 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per direction of Engineer-in-charge, with reinforced barbed tape(R.B.T.) / Spring core (2.5mm thick) wire of high tensile strength of 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately)

Centering and shuttering including strutting, propping etc. and removal of form for : Edges of slabs and breaks in floors and walls: Above 20 cm wide

Providing and laying in position specified grade of reinforced cement concrete , excluding the cost centring , shuttering , finishing and reinforcement - All works up to plinth level : 1:1.5:3 ( 1 cement : 1.5 coarse and sand : 3 graded stone aggregate 20mm nominal size)

Steel reinforcement for R.C.C work including straightnening , cutting , bending , placing in position and binding all complete upto plinth level. A) Thermp - Mechanically treated bars of grade Fe-500D or more.

Dismantling steel work manually/ by mechanical means in built up sections without dismembering and stacking within 50 metres lead as per direction of Engineer-in-charge.

Carriagae/ transportation of all dismanteled Steel Material of Fencing and accessories etc . by tractor with trolley including Loading, transporting , unloading and stacking properly to AAI store yard as directed by EIC in AAI premisis. Necessary required tools to be arranged by the contractor. The dismetalled material is to be measured and weighted and to be recorded and same to be submitted to EIC.

SH III - AICMC , Operation and Routine Maintenance of Gates All inclusive Comprehensive maintenance per year of the entire system of sliding trolley gate ( automation system with drives, electrical panels, wheels, bearings, chain sprouket /gear system , toothed track ,bottom track as provided under the main contract including trouble shooting , preventive maintenance and break down maintenance as required as per good engineering practice and recommendation of the original equipment manufacturer, instructions of Engineer -in Charge & as per terms and conditions specified in special conditions of contract is to be followed. (a) For first year (after completion of one year defect liability period )

(b) Second Year

(c) Third Year

(d) Fourth Year

(e) Fifth Year

All inclusive Comprehensive maintenance per year of existing Boom Barrier of Selve/Cardin make includind drives /card , electrical and mechanical parts, push button for operation etc. complete for the smooth operation of Boom Barries including trouble shooting , preventive maintenance and break down maintenance as required as per good engineering practice and recommendation of the original equipment manufacturer, instructions of Engineer -in Charge & as per terms and conditions specified in special conditions of contract is to be followed. (a) For first year ( Shall be effective after the award of the work )

(b) Second Year

(c) Third Year

(d) Fourth Year

(e) Fifth Year

(f) Sixth Year

Operation & Routine Maintenance of entire system of sliding trolley gate and 02 Nos of Boom Barrier complete in one shifts (8hrs. shift) in all working days manned by Technician (skilled)-01 no. and Helper -01 no. on all days including Sundays and Holidays for smooth operation of the gates. '(a) First Year during DLP

(b) Second Year after DLP

(c) Third Year after DLP

(d) Fourth Year after DLP

(e) Fifth Year after DLP

(f) Sixth Year after DLP