SPL REPAIR FOR REPLACEMENT OF DISINFECTION SYSTEM IN FILTRATION PLANT AT HAPPY VALLEY UNDER GE SHILLONG

Amount

Supply, fixing, installation, testing and commissioning of Hydrodis S-100 system with a life not less than 08 years, based on dual step disinfection technique process that uses the electro-catalytic break down of water to instantly destroy water borne pathogens including bacteria, viruses and algae simultaneously converting chloride ions into chlorine, production/generate highly reactive Electrolytic Hydroxyl radicals which effectively neutralize pathogens and organic contaminants and remove any bad/foul smell/bacteria/virus odor or color from water to make it clean and safe for consumption and system are designed to be energy efficient, allowing insolated and remote applications to utilize on site to be Fixed in existing recirculation of water line complete all as specified and directed. Note: The scope of work under above item shall also include following : (a) 02 Years of AMC by OEM after completion of work certified by GE. The contractor shall quote rate accordingly and nothing extra shall be paid on this account. Contractor is required to deposit two (02) Fixed Deposits corresponding to each year of AMC of above item. The amount of each fixed deposit shall be 1% of the quoted amount and each FD shall be released by GE after succesful completion of AMC for each year (bUPVC piping, valves and required connections. (c) Control Panel. (d) Installation & Commissioning. (e) Any civil,electrical,mechanial,addn/altn of existing pipe lines/system not listed above however required for the job to make system fully functional further. (e) Warranty for the electromechanical components for 2 years after completion of work. Performance Security Deposit shall be released after completion of warranty period. (f) Complete maintenance and service for the system for the first two years. (g) Any service and spare parts after two years will be provided on a chargeable basis. (h) The contractor shall be completely responsible for AMC and contractor shall be held accountable for any lapse by the OEM.

Supply, fixing, installation, testing and commissioning of Hydrodis dual step disinfection U-300 system with a life not less than 08 years, based on dual step disinfection technique process that uses the electro-catalytic break down of water to instantly destroy water borne pathogens including bacteria, viruses and algae simultaneously converting chloride ions into chlorine, production/generate highly reactive Electrolytic Hydroxyl radicals which effectively neutralize pathogens and organic contaminants and remove any bad/foul smell/bacteria/virus odor or color from water to make it clean and safe for consumption and system are designed to be energy efficient, allowing insolated and remote applications to utilize on site to be Fixed in existing recirculation of water line complete all as specified and directed. Note:- The scope of work under above item shall also include following : (a) 02 Years of AMC by OEM after completion of work certified by GE. The contractor shall quote rate accordingly and nothing extra shall be paid on this account. Contractor is required to deposit two (02) Fixed Deposits corresponding to each year of AMC of above item. The amount of each fixed deposit shall be 1% of the quoted amount and each FD shall be released by GE after successful completion of AMC for each year (bUPVC piping, valves and required connections. (c) Control Panel. (d) Installation & Commissioning. (e) Any civil,electrical,mechanial,addn/altn of existing pipe lines/system not listed above however required for the job to make system fully functional further. (e) Warranty for the electromechanical components for 2 years after completion of work. Performance Security Deposit shall be released after completion of warranty period. (f) Complete maintenance and service for the system for the first two years. (g) Any service and spare parts after two years will be provided on a chargeable basis. (h) The contractor shall be completely responsible for AMC and contractor shall be held accountable for any lapse by the OEM.

Supply & fixing of PVC sheathed XLPE insulated armoured aluminium cable of size 25 Sqmm 4 core, superior quality, laying over GI slotted cable tray including necessary supports and frame work complete all as specified and directed.

Material and labour for earthing complete with galvanised mild steel earth plate electrode 600x600x6.0mm thick, burried directly in ground to a depth not less than 2.25 metres deep below ground level with top edge of earth plate not less than 1.5 metre below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around the plate and bentonite powder, using Gl wire 4 mm dia as earth strip electrode bolted or rivetted to earth plate at one end and connected to equipments at another end, Gl earth strip encased in and including 15 mm dia Gl 'light grade' pipe from upper end of earth plate upto equipments, 20 dia bore GI pipe 'light grade' as water pipe from earth chamber to upper edge of earth plate, Test point, Gl funnel with wire mesh fixed on water pipe and PCC 1:3:6 type C1 (using 20mm graded stone aggregate) as in pit chamber and RCC pit cover 50mm thick precast RCC 1:2:4 type B-1, duly reinforced with TMT bars 8mm dia @ 100 c/c both ways with 10mm dia MS round bar as in lifting handles, excavation, earth work including laying the Gl pipe concealed in floor/wall all as described in electric plate No. 3 of SSR Part I and testing on completion complete all as specified and directed.

Supply and fixing canopy for Hydrosis systems complete all as specified, directed and as shown on drawings. Notes : 1. The purlins and rafters shown in drawing shall be made of Mild Steel (Fy -250) Square section of size 50x50x3.65 mm including all fittings and fixtures complete as directed by Engr-in-Charge. 2. The outer wall shall be Half Brick thick Wall in CM 1:4 including chicken wire mess at alternate third layer. 3. The wall on one side of canopy shall also have provision of MS Door made up of MS sheet having thickness not less than 3mm with cross flat iron strip of size 25x5mm with Locking arrangement with MS sliding Door Bolt 300 mm Long including painting with two coats of synthetic enamel paints over a coat of red oxide primer complete all as specified and directed by Engr-in-Charge. Internal Plaster - 10 mm thick 1:4 CM finished even and fair without using extra cement External Plaster - 15 mm thick in two layers (10+5)mm with using Water proofing compound @3% by weight of cement on top 5mm layer finished even and fair without using extra cement Internal and External Finishes - Three coats of white wash 4. The roof shall be of pre-painted Galvalume Corrugated sheets not less than 0.50mm thick and shall have projection not less than 300 mm on all sides. 5. Foundation shall be of PCC 1:4:8 type D-2 of thickness 150mm. The depth of foundation shall be 1.5m from NGL. 6. Flooring- The floor shall be 40 mm thick PCC 1:2:4 type B-1 finished fair and even without using extra cement laid over 75 mm thick PCC 1:3:6 type C-2 over rammed earth including filling to the required level, complete all as specified and directed.

M/s Gupta Construction (BID ID -3292255)

PURBANCHAL BUILDERS (BID ID -3292482)

Ms Amrik Singh Bahra (BID ID -3292041)

M/s Sohini Construction (BID ID -3292480)

Bharara construction (BID ID -3292321)

S K Construction (BID ID -3292586)