SPECIAL REPAIRS TO VALLEY GUTTERS FOR SH V03 V04 V05 V09 V14 AT MO V NEW SITE UNDER GE ND VISAKHAPATNAM

Dismantling of Plain or Corrugated Steel sheeting of any gauge, thickness in roof coverings, complete all as specified and as directed.

S & F 1.25mm thick Plain, galvanised, mild steel sheeting, in ridges,hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 complete all as specified and as directed.

S & F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified [Note: The pitch area and corrugation of sheet shall match with existing sheet.]

M & L for Cutting / Chipping the spalling concrete surfaces of Slabs, Beams, Columns, Fins, Facias, Parapets & Chajjas etc. and trimming, cleaning the surfaces of any thickness to receive Guniting preparing surfaces and applying a coat of Nito Bond AR of M/s. Fosroc Chemicals or equivalent approved bonding agent as per manufacturer's instructions and providing pressure Guniting averaging not exceeding 25mm thick including suitable bonding agent @ 5% of weight or cement for sides and soffits of Slabs, Beams, Columns, Fins, Parapets Facias & Chajjas etc., finishing surfaces rough conforming to proper geometrics including providing double scaffolding and safety measures as required and removal of the same on completion and disposal and depositing the demolished material to distance exceeding 1.5 KM but not exceeding 5 KM complete all as specified and as directed.

M & L for Cutting / Chipping the spalling concrete surfaces of Slabs, Beams, Columns, Fins, Facias, Parapets & Chajjas etc. and trimming, cleaning the surfaces of any thickness to receive Guniting / Plastering, preparing surfaces and applying a coat of Nito Bond AR of M/s. Fosroc Chemicals or equivalent approved bonding agent as per manufacturer's instructions and providing pressure Guniting averaging exceeding 25mm but not exceeding 50mm thick over steel welded mesh 2mm dia of wire and total aperture 75mm at a pressure of not less than 6 KG / Sq.cm in Cement Mortar 1:3 with and including suitable bonding agent @ 5% of weight of cement for sides and soffits of Slabs, Beams, Columns, Fins, Parapets Facias & Chajjas etc., finishing surface rough conforming to proper geometrics including providing double scaffolding and safety measures as required complete all as specified and as directed. (Note:- Steel welded mesh to be welded with the existing reinforcement. The cost of welded mesh to be welded with the existing reinforcement is deemed to be included in the quoted rate)

M & L for Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust etc and brushing neat cement slurry with 3.0 KG of cement per Sq.m area, rendering 10mm thick in cement mortar 1:4 on concrete surfaces finished even and smooth without using extra cement including mixing of water proofing compound of approved make as per manufacturers instructions for levelling the surface smooth to receive the water proofing membrane and apply three coat of HS Roof Kool & Seal chemical of make Berger or equivalent which is a fibre reinforced liquid applied elastomeric waterproofing membrane impregnated with nano fibre and specifically formulated with pu acrylic hybrid polymer and also meant for dual effect of waterproofing and heat reduction. Application of 1st coat as a priming coat (50% dilution with water and chemical 50%). After application of priming coat apply two undiluted coat of chemical as per instruction of the manufacturer including taking down existing Roof Treatment of any description complete all as specified and as directed. Notes: [i]The Quoted rate shall be deemed to inclusive of rate of Water proofing compound and nothing paid extra on this account. [ii]Application of water proofing treatment shall only be carried out by authorised Agency of the manufacturer strictly as per instruction of manufactuurer.

M & L for preparing newly plastered wall/Ceiling surfaces and applying three coats of white washing complete all as specified and as directed.

S & F in repairs 110mm bore PVC [SWR] pipes single socketed, in any length with rubber ring joints, fixed to walls including necessary brackets, clamps as in rain water down pipes including taking up / down unserviceable / cracked rain water pipes including taking out joints of any type complete all as specified and as directed.

S & F in repairs PVC bends/Single or Double Y/Single or Double T of 110 mm dia complete all as specified and as directed.

Taking down Cement Plaster of any description on brick or stone walls or concrete surfaces, ceiling surfaces etc including raking out joints, hacking for key scrubbing down with water etc complete all as specified and as directed.