Rate Contract for SITC of wind operated Turbo Air Ventilator System for BTS sites under jurisdiction of BSNL Electrical Division Rohtak

Amount

SITC of Wind operated Turbo Air Ventilator with base for prefabricated BTS cabin consisting of following including making necessary opening in roof with cutting, drilling etc. complete as required. a) Air turboventilator having following specifications: Throttle Dia: 24 inch (600 mm). Minimum No. of Blades: 38. Material: Aluminium. Connecting assembly: GI rod with high quality ZZ- Bearing.

Supplying and Fixing of Cross Ventilation Type Louvers fabricated from 0.50 mm thick Pre-Painted Steel / Aluminium Sheet of required size of louver along with GI wire mesh 14 SWG ½ × ½ Sq inch gap with Flat welded 25mm x 2 mm thickness for preventing entry of birds/ rodents and safety purpose including installation at site along with making necessary opening in pre fabricated wall of shelter with cutting, drilling fixing etc complete as required.

Providing and making water proofing of roof of prefabricated cabin with Asphalt sheet, blackjapan, sealing with silicone and finishing of opening of turboventilator with carpage and plaster of paris etc.complete as required.

Providing MS structure for GI duct supports, frames of required size MS flat/Angle/Rod etc i/c cutting, welding, fabrication etc, and painting and minor civil works etc as required

Providing suitable ducting for installation of air ventilator ( In case from side wall/window) made out from 18 SWG GI sheet, alongwith suitable supports, fastners, etc. as reqd.