Water Treatment & STP Tenders

Complete removal of existing water proofing treatment of any thickness and cement mortar screed in existing roof including scrapping out old treatment/ bitumen etc. The roof surface shall be thoroughly wire brushed, cleaned to eliminate all sharp projections, washed, dried up and cleaned of all foreign material and dust to receive new water proofing treatment and removal of rubbish off the premises to a distance exc. 500m and not exc 1.5 Km complete all as specified and directed.

Supply, installation, testing and commissioning Techno-commercial 10 m3/ day Sewage Treatment Plant with all machinery and plants like Bar Screen Chamber, Bar Screen, Equalization Tank, Sewage Transfer Pump, MBBR Tank, Air Blower, Media Bioreactor (MBBR), Settling Tank, Tube Media, Sludge Transfer /Recirculation pump, Filter Feed Tank, Filter Feed pump, Pressure Sand Filter, Activated Carbon Filter, Treated Water Tank, Interconnecting Piping’s & Fitting’s, Electricals Control Panel & Equipment’s etc.

Supply, installation, testing and commissioning Techno-commercial 10 m3/ day Sewage Treatment Plant with all machinery and plants like Bar Screen Chamber, Bar Screen, Equalization Tank, Sewage Transfer Pump, MBBR Tank, Air Blower, Media Bioreactor (MBBR), Settling Tank, Tube Media, Sludge Transfer /Recirculation pump, Filter Feed Tank, Filter Feed pump, Pressure Sand Filter, Activated Carbon Filter, Treated Water Tank, Interconnecting Piping’s & Fitting’s, Electricals Control Panel & Equipment’s etc.

M&L Water proofing treatment on "Non approachable / non accessible roof" surface (Horizontal & Vertical surfaces) in following sequence through authorized applicator of the manufacturer all as specified and directed complete. (i) Cleaning of new rendered surface properly and drying the surfaces. (ii) Applying a coat of oxidised bitumen based solvent primer @ 0.30 Kg/ Sqm. (iii) Laying 3 mm thick APP modified water proofing membrane with 100 mm over laps sealed and bounded to the surfaces by 'torchon' method. (iv) Applying two coats of bitiminous aluminium pait @ 200 Gram / Sq M (minimum) in two coats. Make incorporated : HYPERPLUS of IWL (INDIA) LTD or equivalent in Pidilite industrries Ltd / STP Ltd complete all as specified and as manufacturer instruction .

Notes for Ser Item No. 1.00 to 9.00: - (i) Cleaning and clearing/ disposing off all the sludge/ sewage contaminated water in solid/ semi solid/ liquid state from sewage lines, manholes etc as detailed in Ser item No. 1.00 to 8.00 will be carried out during the 1st 3 months from the date of commencement of work order No . 1 and thereafter shall be maintained for blockage free and smooth functioning of all the sewage lines and related sewage items as detailed in item No. 1 above for a period of Eleven months i.e. the date of completion of contract given in work order No. 1. Engagement 01 x Supervisor along with 02 x Sweeper cum sewage drain attendant along with T&P required on daily basis for a period of Eleven months for attending the daily sewage related complaints. The complaints shall be collected daily at 0830 hours from the office of Engr-in-Charge by contractor/ Contractor's supervisor and shall be got signed from the user occupant after clearing the complaints. These complaint slips will also be got signed at Engr-in-charge office daily after the satisfactory completion of each complaint. No complaint shall be kept pending/unattended for a period of 24 hours. Any damage to manhole covers, gully trap covers, CI assess doors of CI pipes any dia, PVC pipes/fitting, 'P' traps, floor traps during the process of cleaning/clearing shall be made good by the contaractor by replacing same by new items without any extra cost to the Govt. Urgent Nature complaints (EWC / IWC / Urinal / Bathroom / Kitchen and gully trap) shall be rectified within 24 hrs, if not Rs 150/- each complaint for each day will be penalised from the contractor. (ii) Sewage line/ Manholes cleaned once will not be paid again within 06 months if blockage comes within 06 months then contractor shall have to clear/ remove blockage at his own cost. (iii) Deposition of sludge / sludge water will be taken to the STP location as shown by Engineer-in-Charge. (iv) Payment shall be made only after prior document proof of the same. Contractor shall obtain permit from state authority for sludge deposit in State Govt STP, all sludge collected shall be deposited in running STP only.

Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces etc consisting of following operations: (a) Applying a slurry coat of neat cement using 2.75 kg/sqm of cement admixed with water proofing compound conforming to IS. 2645 and approved by Engineer-in-charge over the RCC slab including adjoining walls upto 300 mm height including cleaning the surface before treatment.. (b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115 mm size with 50% of cement mortar 1:5 (1 cement : 5 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge over 20 mm thick layer of cement mortar of mix 1:5 (1 cement :5 coarse sand ) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge to required slope and treating similarly the adjoining walls upto 300 mm height including rounding of junctions of walls and slabs. (c) After two days of proper curing applying a second coat of cement slurry using 2.75 kg/ sqm of cement admixed with water proofing compound conforming to IS : 2645 and approved by Engineer- in-charge. (d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by Engineer- in-charge including laying glass fibre cloth of approved quality in top layer of plaster and finally finishing the surface with trowel with neat cement slurry and making pattern of 300x300 mm square 3 mm deep. (e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for final test.“All above operations to be done in order including carriage of material upto all leads and lifts and as per direction of Engineer in charge.