Transmission Corporation Of Andhra Pradesh Limited Tender

Providing and fixing of false ceiling (of Make Armstrong/NCL/Vishaka/Saint-gobain/ Daikon/ Bison/Birla/Aerolite/ Rajeshri/ Gypsum India) in true horizontal level 600 mm x 600 mm, 15 mm thick Mineral Fibre sheet 600 x 600 of fissured-ANF (Board / Tegular) Edge tiles with a Humidity Resistance of 90% RH, Average NRC 0.50, Light Reflectance 80%, Thermal Conductivity λ = 0.052 to 0.057 w/mk, Fire Performance Class 0/Class 1 using hot dipped Galvanised Steel section exposed surface with pre-coated capping, main Tee of size 24 x 32 mm at every 1200 mm c/c maximum and rotary stiched cross tee of size 24 x 27 mm at evry 600 mm c/c and sub-cross tee of size 24 mm x 25 mm at 1200 mm c/c and wall angle of size 19 x 19 mm fixed to periphery of the wall and the above grid is suspended at every 1200 mm c/c in both directions using 2.0 mm thick pre-straightened GI Wire laying fine fissured butt edge ceiling tiles of 15 mm thick mineral fiber Board including Cost &conveyance of all materials and labour charges such as cutting , fixing of standing of frame work exposing roof making complete as per the directions of the Engineer in charge for the finished item of work. ( Recommended brands: ARMSTRONG, Insula etc)

Cleaning the surface for water proof treatment by the surface must be clean and sound duly removing of exisiting tretaments clean from dirt, dust and other contaminations by power grinding wire brushing , air blower & jet water cleaning including all materials and as per the directions of the Engineer in Charge

SPECIALISED FIVE LAYER SYSTEM OF WATERPROOFING TREATMENT TO THE TERRACE WITH Roofcare-prc 5 Systems or equivalent ( ROOFCARE PRC 5 (Armstrong) / ZORICOAT PFC 5 (PMCC)/ POWER SAC 5 L (EBT)/ WATERSHIELD 5 LWC (all materials should be of make Armstrong or Fosroc/ Asion/ Leakshield) a). Ist Layer Black coloured chemcial treatment : Providng and application of one coat of High bonding, flexible bituminous polyurethane blended bituminous coating with – Roofcare prc 5 systems Confiming to ASTM-G 154 -2000 or equavalent Ist Layer diluting with water at 1 : 1 ratio as a primer coat at a consumption of 200ml per Sqm. b). IInd Layer : Providing and laying of Fibre Mesh 40 GSM, with 1 Mtr width and 50mm overlap on the primed surface. c). IIIrd Layer Grey coloured coating : Providing and application of one coat of Acrylic rubberized elastomeric flexible waterproof grey coating with – Roofcare prc 5 systems ASTM-C 836 or equavalent or equavalent diluting with 50% of water at a consumption of 400ml per Sqm. d) IVth Layer white colured coating : Providing and application of one coat of High solid, cold applied, Fibre reinforced acrylic elastomeric waterproof membrane off white coating –Roofcare prc 5 systems Confiming to ASTM-G 154 -2000 or equavalent coating (add the water upto 200ml ) (Consumption of 350ml per Sqm ). e) Vth Layer super white reflective coating : Application of one coat of 100% pure acrylic solar reflective pure white coating withRoofcareprc 5 systems Confirming to ASTM -C 297 or equavalent solar refective coating diluting with 20% of water (Consumption of 300ml per Sqm ).including cost and conveyance of all materials, labour charges etc complete for the finished item of work. Note : THE ABOVE TREATMENT WILL BE GUARANTEED FOR 5 YEARS