Drainage Works Tenders

Taking down existing sunken portion treatment by demolition of old concrete and carry out the sunken treatment as in following steps given below and procedure as per Apendix 'A' of part: (a) S&F of drainage spout GI pipe 40mm dia bore light grade upto outside of outer wall (Approx 450mm to 600mm long) (b) M&L for PCC 1:1.5:3 type A-0 (using 12.5mm graded crushed stone agg), 50 mm thick laid in slope towards drainage out spout pipe mixed with waterproofing chemical as per manufacturer instructions of MAKE: FOSROC/SIKA/ Pidlite/STP. Khurra 150mmx150mm (min) at appropriate location for free flow (of leaked water if any) towards drainage spouts shall be provided integrally while laying PCC. Fixing of spout shall be done with same PCC as in this item. (c) M&L for 18mm thick cement plaster in CM 1:3 on vertical faces mixed with water proofing chemical of MAKE:301 Pidicrete URP of Dr. Fixit or other techno commercially Equivalent make of SIKA/ Pidlite/FOSROC/STP (d) Water proofing treatment stages as measured of 71(b) & (c) be executed while concrete is green above and proper curing and ponding test shall be done before laying drainage/water supply pipes upto the entire satisfaction of Engineer in charge. (e) Applying two coats of SIKA TOP seal 107 of SIKA or other techno commercially Equivalent make of FOSROC/ Pidlite/Dr Fixit/STP on vertical as well as horizontal surface. (f) Drainage and water supply pipe if required & test for leakage/sanitary pipes and shall be laid to slope and a clear gap underneath the pipes shall be made available by suitable cement concrete blocks.

Providing and laying DWC (SNS) pipes conforms the IS 16098 (Part 2) 3013 Structured-Wall plastics piping systems for NON- Pressure drainage and sewerage Specification including jointing with seal ring conforming 150 mm dia DWC (SN8) Pipes.

S&F DWC HDPE tubing 90mm OD and 75mm ID including all fittings such as tee / elbow / socket / nipple etc conforming to IS 16205 bore for laying cable, cut to size and making the tubing for cable protection alongwith drawn in cable into the HDPE tubing on the surface / on the wall / along drainage etc complete all as specified and as directed by Engineer-in-charge.

A Plant mix method (with Mechanically crushed stone only) (b) For Sub-base cum drainage layer or upper sub-base with (i) Grading-V Material

4.1.B.1:Construction of granular sub-base by providing graded material, spreading in uniform layers with a motor grader on a prepared surface, mixing by mix in-place method with rotavator at OMC, and compacting with a vibratory roller to achieve the desired density, complete as per clause 401. Grading-V - For sub-base cum drainage layer - Mix in Place Method

Designing, fabricating, testing, installing and fixing in position Curtain Wall with Aluminium Composite Panel Cladding, with open grooves for linear as well as curvilinear portions of the building , for all heights and all levels etc. including: (a) Structural analysis & design and preparation of shop drawings for pressure equalisation or rain screen principle as required, proper drainage of water to make it watertight including checking of all the structural and functional design. (b) Providing, fabricating and supplying and fixing panels of aluminium composite panel cladding in pan shape in metalic colour of approved shades made out of 4mm thick aluminium composite panel material consisting of 3mm thick FR grade mineral core sandwiched between two Aluminium sheets (each 0.5mm thick). The aluminium composite panel cladding sheet shall be coil coated, with Kynar 500 based PVDF / Lumiflon based fluoropolymer resin coating of approved colour and shade on face # 1 and polymer (Service) coating on face # 2 as specified using stainless steel screws, nuts, bolts, washers, cleats, weather silicone sealant, backer rods etc.