REPAIR/REPLACEMENT OF EXTERNAL WATER SUPPLY AND PUMP SET INCL OTHER ACCESSORIES AT VARIOUS LOCS AND MAINT OF AMPHIBIOUS TRG NODE (SWIMMING POOL) AND FILTRATION PLANT AT PANGODE MIL STN UNDER GE (ARMY) TRIVANDRUM

M&L for suction sweeping inside swimming pool by using telescopic suction sweeper for two hours daily complete all as specified and directed. Note:- (a) Suction sweeping the bottom of the entire pool for a period of 2 hours (4 AM to 6 AM) or as directed/ required to clean the water for removing the sediments. (b) Remove all floating particles by using net before 0600 hrs. (c) T&P required for the maint work shall be provided by the contractor. (d) The chemicals required for the treatment will be measured and paid separately as supply only and the labour for dosing the chemicals shall be included in the unit rate quoted by the contractor. (e) The quantity of chemicals to be dosed should be determined by analysing the condition of water at the time of dosing. (f) Adding requisite quantity of chemicals considering the conditions of the pool water while dosing all as specified and directed by the Engr-in-charge. (g) Dosing requisite quantity of calcium/ sodium hypochlorite for maintaining the percentage of chlorine up to 1 PPM every day (0700 Hrs to 2100 Hrs). (h) Dosing requisite quantity of Alum sulphate for better sedimentation of impurities in the pool water. (j) Dosing requisite quantity of Soda ash for maintain PH level of pool water every day (0700 Hrs to 2100 Hrs). (k) Add Sodium hypochlorite for maintaining the percentage of chlorine up to 1 PPM every day. (l) Add Copper sulphate/ algaecide to pool water as per requirement and condition of pool water as directed by the Engr-in-charge.

Supply only bleaching powder ISI marked superior quality. Make: Kaveri/ Grasim/ Vikram

Supply only Copper sulphate 24% purity industrial grade in 50 Kgs HDPE bag. Make: Akshar Chemicals/VCI Ltd/ Reliance

Supply only Soda ash. Make: Akshar Chemicals/VITSZEE/ TATA/ VCI Ltd

Supply only Aluminium sulphate non ferric (Alum sulphate) Make:Suvidhi Enterprises/Krishna Enterprises or equivalent

Supply only Calcium hypo chlorite 65 to 75% strength granular . Make: DCW Ltd/ TATA/ VCI Ltd/Aquafit by RMCO/ Purichlor by Sree Rayalaseema high strength hypo Ltd

Supply only Poly aluminium chloride (PAC) COAGULANT CONTAINING APPROX 29% AI2O3 with basicity of approx 64% packed all as specified. Make: Rayalaseema chemicals/ Potter & Watts/ Grasim Industries/Vikram/CAGL

Supply only Ortho-Tolidine solution for testing of dissolved chlorine in water.

Supply only nylon brush superior quality made out of water resistant wooden block with thickly insert nylon brushes for sweeping complete all as specified and directed.

Supply only net for removal of dry leaf from swimming pool complete all as specified and directed.