Assam Electricity Grid Corporation Limited Tender

Crack Repair: All visible hairline cracks more than 0.50mm and not giving hollow sound, on the screed or at the junctions of flat roof & vertical parapet wall, pipe joints, should be cut and widen V shape with mechanical cutter in the size (6mm W x 6mm D) and fill with Polymer Modified Mortar after applying of bond coat of SBR latex URP 301 mixed with cement 1:1 (1part cement: 1Part URP 301) Waterproofing Coating on Concrete Surface: Provide and apply moisture insensitive Epoxy primer Dr. Fixit MIEP/CIPOXY 16D @ 5m2/LT/Coat. Allow the primer to cure for 6 – 8 Hrs to tacky condition. Provide and apply 2 coats of Dr. Fixit Flexi PU 270 (i), a single component moisture cure Pure PU (Hydrophobic Polyurethane) based cold applied seamless waterproofing membrane over the above PUF Layer, coverage at the rate 2 kg/m2 in 2 coats to achieve DFT of 1.5 mm. The PU membrane shall be terminated 300mm above FFL, self-curing for 5 days, then ponding with water for 24 Hrs. to check water tightness up to 50 mm. The Waterproofing material shall have Solids 85%, Tensile strength 2 Mpa as per ASTM D 412, Elongation 400% as per ASTM C 1305, crack bridging up to 2mm, Shore A Hardness 70 as per ASTM D 2240, Adhesion to concrete 2Mpa as per ASTM D 903, Water vapor permeability 14gm / m2 / day as per ISO 9932:91, Puncture Resistance 300 N as per ASTM E154-2013, with Anti-Root properties Water Head Resistance 50M as per DIN 1048. The Work Shall be carried out by the Athorized applicator of the manufacturer. The Work Shall be carried out by the Athorized applicator of the manufacturer.

Separation Layer: Providing & Laying 150 GSM Geotextile (non-woven polyester) membrane with a min of 100mm wide overlap loosely laid over Dr. Fixit Flexi PU 270(I) membrane. The Work Shall be carried out by the Athorized applicator of the manufacturer. The Work Shall be carried out by the Athorized applicator of the manufacturer.

Providing and laying cement concrete with Drfixit Pidiproof LW+ @200ml or equivalent per bag of cement in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:1½:3 (1 cement : 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 10 mm nominal size derived from natural sources).

SEALING OF EXPANSION JOINTS VERTICAL AND HORIZONTAL Preparing the joints to the (desired size and locations\) by saw cutting etc, cleaning / removal of all loose particles’ laitance, traces of bitumen etc, vaccum cleaning of the joints and making it dust free completely. The excessive depth of the joint shall be filled using Polyethylene foam sheet, taking care of width to depth ratio of the joint and fixing masking tapes on either side of the groove etc. complete. Joint shall be prepared to have constant width throughout its length(50mm width x 25mm depth) and same shall be profiled with Drfixit Polymer Modified Mortar after applying a single coat of Drfixit Epoxy Bonding Agent (211). Supplying and Applying Dr. Fixit Pidiprime A and prime the two sides of the substrate using a brush etc. complete. Supplying and Applying Dr. Fixit Pidiseal PS 41G / 42 P, mixing the base and curing paste thoroughly using a slow drill mixing machine with asuitable paddle until homogeneous mix is formed and filling the joint with a suitable means starting from one end taking care at no point air is entrapped. After completion of filling, using suitable tool ensuring the seal is finished with proper adhesion on the two sides’ surfaces etc. complete. The Work Shall be carried out by the Athorized applicator of the manufacturer.

Providing and fixing 3 layer PP-R (Poly propylene Random copolymer) pipes confirming to IS:15801 UV stabilized & anti - microbial fusion welded, having thermal stability for hot & cold water supply, including all PP - R plain & brass threaded polypropylene random fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. PN - 16 Pipe, 25 mm OD (SDR-7.4)

PN - 16 Pipe, 40 mm OD (SDR-7.4)

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 25 mm nominal bore

40 mm nominal bore