Providing and Fitting of Pre-filters to various Air handling units, fan Coil units in State cancer Institute.

Amount

Replacement of damaged or choked pre-filters by way of removing them from the housing and providing and fitting of new box type pre-filters (EU-4 Class filters having an efficiency of 90% down to 10 microns) as per the sample at site. The filters shall be made of washable non-woven synthetic media, supported by aluminium mesh on one side and HDPE (high density polyethylene) mesh on the other for structural strength and protection. The filter units shall be of box type with sealed joints conforming to BS EN 779 standard and in complete conformity with following the specifications

a) Filter size- 685mm x 523mm x 25mm b) CFM:6000 c) Filter class EU-4 d) IPD/FPD:50/130Pa

a) Filter size:-535 mm x 571 mm x 25mm b) CFM:4000 c) Filter class EU-4 d) IPD/FPD:50/130Pa

a) Filter size:-485 mm x 498 mm x 25mm b) CFM 3000 c) Filter class: EU-4 d) IPD/FPD:50/130Pa

a) Filter size:-535 mm x 488 mm x 25mm b) CFM:2000 c) Filter class: EU-4 d) IPD/FPD:50/130Pa

a) Filter size:-245 mm x 860 mm x12mm b) CFM:600 c) Filter class:EU-4 d) IPD/FPD:50/130Pa