Annual servicing and periodical maintenance of rolling shutters at IGCAR, Kalpakkam for the year 2025-2026.

Amount

Providing and fixing roofing sheet, cladding with 0.47mm thick colour coated concelled system profile corrugated/semi corrugated/plain zincalume sheets of 55mpa yield stress (AS 1397 – Zincalume AZ 150) with coating class AS/NZS 2728 (minimum 150 grams per relevant standard) having a total coating thickness of 35 micron. The sheet should be rolled over specially designed concealed fixing clip manufactured from hi-tensile Aluminium Zinc alloy Zincalumen steel based and galvanized hooks. The clip should be fastened with minimum 40micron Zinc coated / minium 25micron Zinc-Tin alloy coated. The rate is inclusive of all fixtures required for fixing the side roof, cladding on all sides, ridges etc. complete all as per specification and as directed by the Engineer-in-Charge.

Servicing the rolling shutters once in six months which includes greasing, oiling, overhauling and replacing defective spare parts (if required) including cost of grease, general cleaning, filling oil in gear set etc., but excluding cost of spare parts which will be paid separately under relevant item all as directed by the Departmental Officers. (Replacement of bolts and nuts, screws, pints etc., is to be done by the Contractor without any extra cost. Rate is for one time operation and is valid and effective for 6 months without any operational problem from the date of overhauling). Note: Payment / Measurement will be made based on the clear structural opening dimension and hood will not be measured.

Repairing of steel rolling shutters of various sizes and various types such as hand operated, electrically operated etc., excluding spare parts which will be paid separately under the relevant item including welding, bolts, nuts etc. all complete and as directed by the Engineer-in-Charge.

Providing and fixing of following new spare parts for rolling shutters of approved quality etc., all complete and as directed by Engineer-in-Charge.

O Guage springs-450mm(1.5 feet) length

O Guage springs-600mm (2 feet) length

OO Guage springs-600mm (2 feet) length

Worm wheel

Gear box(Three bewel wheel model)

MS Lath section (75mmx1.2mm thk)

GI Lath section (75mmx1.2mm thk)

End clips

Ball bearing

MS heavy duty shaft-50mm dia

MS heavy duty shaft-60mm dia

MS bottom lock plate of 3.15mm thick 125mm width with stiffeners 40x40x6mm angle beading etc. all complete.

Guide channel 100mm wide

Guide channel 75mm wide

Limit switch

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like MS structural embedment’s/pipe and sleeves/penetration etc. using MS angles, channels, I-sections, plates, tees, flats, rounds, sag rod, square sections etc. including chamfering and rounding off the edges, applying a coat of Red lead paint primer / Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specifications, drawings and as directed by the Engineer-in-charge. Note: Lifting device arrangements if any required also arranged by the contractor at his own cost.

Providing, supplying, cutting, bending to shape, welding, fabricating, hoisting, placing and fixing in position structural steel members like trusses, purlins etc. using MS hollow / circular / square / rectangular tubular sections including chamfering and rounding off the edges, applying a coat of Red lead paint primer / Zinc chromate primer of approved make and 2 coats of flat oil paint / synthetic enamel paint of approved colour and make, scaffolding and staging required for fabrication as well as erection complete all as per specifications, drawings and as directed by the Engineer-in-charge. Note: Lifting device arrangements if any required shall also be arranged by the contractor at his own cost.

Providing, fabricating and fixing of MS flat for roller drum, MS angle etc. including one coat of steel primer and two coat of synthetic enamel paint etc. complete all as per specification and as directed by the Engineer-in-Charge.

Supplying and fixing Rolling shutters of approved make as per ISI standards made out of required size of MS Laths interlocked together throughout entire length and jointed together at the end by end locks mounted on specially designed pipes shaft with brackets, side guides and arrangements for inside & outside locking with Push and Pull operation complete including the cost of providing and fixing necessary 27.5 cm long wire springs grade No 2. and M.S. Top cover of required thickness for Rolling Shutters

Rolling shutters PULL and PUSH type including top hood 1.25mm thick

Providing and applying first coat of primer with ready mixed red oxide primer and second coat of primer with ready mixed red oxide zinc chromate primer and third coat of synthetic enamel paint of approved brand and manufacturer on steel works including preparation of the surfaces, scaffolding complete all as per specifications and as directed by the Engineer-in-Charge.

Dismantling the rolling shutters at all levels including the cost of labour for all and scaffolding including gas cutting(if required) etc., all complete and as directed by the Engineer-in-Charge.

Refixing the rolling shutters at all levels including fixing anchors, welding, gas cutting (if required ) etc. all complete and as directed by the directed by Engineer-in-Charge.

Providing and fixing double Tubular scaffolding system using H-Frames / APS system or (cup lock type) on the exterior side upto seven story height made with 40mm dia M.S. tube 1.5m centre to centre horizontal and vertical tubes joining with cup and lock system with M.S. tubes, M.S. tube challies, M.S clamps and M.S staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with building etc. wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and as approved by the Engineer -in-charge. The elevation area of the scaffolding shall be measured for payment purposes. The payment shall be made once irrespective of duration of scaffolding .

Removing, re-fixing and minor repairing works for the wooden doors & windows such as planing the surface, fixing screws etc.. steel door, shutters, frames, false ceiling, partition, venetian blinds, adjusting the door closer & floor spring, and cutting of glass, shifting of materials, chain link fence rectification, drilling of holes, removing & fixing of fasteners, Shaft removal and refxing, checking the alignment etc. as directed by the Engineer-in-Charge. Note: Required fasteners and material shall be paid under relevant item.

Providing and fixing of anchor bolt at all levels ‘Hilti or approved equivalent’ in to RCC beams, columns, slab and other RCC members of below mentioned anchor bold grade, anchor size and anchor length including drilling, injecting / grouting with Injectable epoxy mortar suitable for rebar connections and heavy-duty anchoring ‘HIT-RE 500 V4 or approved equivalent’ inclusive of all machinery and man power, scaffolding etc. complete all as directed by the Engineer-in-Charge.

Zinc plated carbon steel Anchor bolt (Hilti HIT-Z), anchor size M16, anchor length 155mm

Zinc plated carbon steel Anchor bolt (Hilti HIT-Z), anchor size M12, anchor length 105mm

Supplying and fixing heavy duty ISI 1.5HP electrical motor ‘Siemens or approved equivalent make‘ output of RPM 1440 for operating the rolling shutter including suitable starter switch gear 35 RPM top and bottom limit switch including reverse forward switch starter ‘BCH make or approved equivalent’ including Required GI conduit pipe with wiring for the Limit switches upto starter connections etc. complete all as per specification and as directed by the Engineer-in-Charge.