8190 CLEANING OF OH/UG SUMP, SERVICE TANK INCLUDING ALLIED ITEMS ETC OF NAVAL DOCKYARD UNDER GE KUNJALI

Amount

M&L for seven stage cleaning and sterilization inside the Underground/semi underground sump of Upto 500000 gln/750000 Gln capacity capacity throughbacterological by using TERBAC G5, TERBAC G10, TERBAC G65, SODIUM HYPOCHLORIDE and UV RAY by involving the following seven (7) stages of cleaning process including cleaning the external surfaces, structure for scales and other particles any algae, hives and any type of vegetation or any other type of unwanted matters and repairs to internal/eaternal cracks, small holes with cement and sand motar (1:4) and applying one coat of white wash to internal surface when became dry and two coat of white wash to external surface complete all as specified and as directed by Engr-in-Charge.the seven stage as follows:- Seven (7) stages of cleaning process (a) First stage is to draining out the reserved water by using exit valve or high capacity pump of dewareing system. (b) Second stage is cleaning all the algae formation inside the tank removing all the scale,dirt,mud inside the tank by using TERBAC G10/ SODIUM HYPOCHLORIDE Chemical complete. (c) Third stage is scrubbing the walls and floor with mechanized scrubber & fresh water cleaning by high speed jet pump (rotary & flat) to remove all scaling, algae and other formed particles on internal surfaces of the tank completeley. (d) Fourth stage is first bacteria screening i.e. de-gernification by using TERBAC G5/ TANK SAN chemical complete. (e) Fifth stage is cleaning the floors of the water tank by heavy duty industrial vaccum cleaner and sludge sucker maximum 1200W with suitable heaby duty rugged motor to make the sump free of any foreign and loose particles of any nature. (f) Sixth stage is the second bacteria screening and sterilisation method by using UV RAYS by heavy duty UV radiation which shall have 360 degree of sterlization with in the tank and kills all suspended bacteria.(The radiation shall portable and effective for sterlization of drinking water tanks for dimination of floating and suspended bacteria) (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor and wall of the water tank by using laboratory certified branded strong oxidizing agent TERBAC G65/ POTTASIUM PERMANGANITE or equivalent any non toxic bio-degradable eco-friendly anti-bacterial agent certified by a Govt approved laboratory to disinfect the tank from all harmful pathogans.ote:-(i) Entire T&P should be arranged by the contractor at their own.Only electric power & water shall be supplied by MES at all stipulated rate.(ii) "Date of cleaning" should be written over the outer surface of tank by synthetic enamel paint with lettering not less than 100mm height. (iii) All safety equipments required like safety helmets, Gumboots, safety belt, mask, safety googles and necessary insurance of safety of working labours to execute the work is responsibility of the contractor and rates quoted shall be deemed to be inclusive of the same.(iv) Contractor will submit Govt laboratory test certificate of chemical use like TERBAC-G%, TERBAC-G10 and TERBAC G65, SODIUM HYPOCHLORIDE, TANK SAN, POTTASIUM PERMANGANITE.

All as per item no. 1 but capacity 325000 gln/350000 Gln capacity

All as per item no. 1 but capacity 100000 gln / 150000Gln capacity

All as per item no. 1 but capacity 50000 gln / 35000 Gln capacity

All as per item no. 1 but capacity 18000 gln /25000 Gln capacity

All as per item no. 1 but capacity 9000 gln /10000 Gln/12500 gln capacity

All as per item no. 1 but over head resevoir tank of capacity 100000 gln upto 70 ft height.

All as per item no. 1 but over head resevoir tank of capacity 20000 gln upto 70 ft height.

M&L for cleaning and degermination inside of RCC/PVC water storage tanks capacity not exceeding 500 Ltr of any description and in any position comprising following seven stage cleaning and sterilization of water tanks through bacteriological treatment by using Trebac G5/Inchlor-5/NB-10/ Sodium hypochloride, Terbac G65/Inoxi-60/NB-69 and ultra violet rays complete all as specified and as directed.the seve stage as follows:- (a) First stage is to drain out the water by using exit valve or our own high capacity dewareing systems or any other suitable method approved by Engr-in-Charge. (b) Second stage is cleaning all the algae formation inside the tank by using Terbac G 10/Sodium hypochloride/ Inchlor-5/NB-10, a laboratory tested barnded chemical of the company and scrubbing the walls of the tanks. (c) Third stage is fresh water cleaning by high speed jet pump with pressure 5 PSL. (d) Fourth stage and first bacteria screening is Sterilization by using Terbac G5/Tank san/Inchor-5/ NB-10, a Laboratory certified branded halogen compound, test certificate of TerbacG5/Tank san/ Inchor-5/ NB-10, from government laboratory mentioning suitability for sterilization. (e) Fifth stage is cleaning the floors of the water tank by heavy duty industrial vaccum cleaner. (f) Sixth stage is the second bacteria screening and sterilizing method by using ultra violet ray Ejector covering 360 degree with in the tank and kills all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agend TerbacG65/Inoxi-60/NB-69/ Pottasium permanganate. Note:-(i) Test certificate of Terbac G65/Inoxi-60/NB-69/Sodium hypochloride/Tank san/ Pottasium permanganite from Government Laboratory mentioning suitability for sterilization should be submitted to the office before using for Sterilization. (ii) Outlet pipe of OHT should be plugged before cleaning the OHT to avoid entering scale and the same shall be reconnected after cleaning the OHT and the quoted rate is deemed to include for this provision. (iii) Contractor will be responsible for rectification of complaints occurred during cleaning of tank i.e. No water in tank/ Over flow due to broken of float valve/blockage of Outlet lines due to silt and rectification cost will be deemed to be included in quoted rate. (f) Sixth stage is the second bacteria screening and sterilizing method by using ultra violet ray Ejector covering 360 degree with in the tank and kills all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified branded strong oxidizing agend TerbacG65/Inoxi-60/NB-69/ Pottasium permanganate. Note:-(i) Test certificate of Terbac G65/Inoxi-60/NB-69/Sodium hypochloride/Tank san/ Pottasium permanganite from Government Laboratory mentioning suitability for sterilization should be submitted to the office before using for Sterilization. (ii) Outlet pipe of OHT should be plugged before cleaning the OHT to avoid entering scale and the same shall be reconnected after cleaning the OHT and the quoted rate is deemed to include for this provision. (iii) Contractor will be responsible for rectification of complaints occurred during cleaning of tank i.e. No water in tank/ Over flow due to broken of float valve/blockage of Outlet lines due to silt and rectification cost will be deemed to be included in quoted rate.

All as per item no. 9 but Capacity from 1000 TO 1999 Ltrs

All as per item no. 9 but Capacity from 2000 TO 4999 Ltrs

All as per item no. 9 but Capacity from 5000 TO 9999 Ltrs

All as per item no. 9 but Capacity from 10000 Ltrs and above

Supply and fix in replacement of MS cover made out of 5 mm thick MS sheet with double hinges and suitable handle locking arrengement etc complete including two coats of synthetic enamel paint and one coat of primer all as complete and directed by Engr-in-Charge.

Material and labour for painting to water supply tubing and connected items like ladders/ water points etc. any dia after preparation of old painted surface by proper cleaning and then applying two coat of synthetic enamelled paint as per existing colour code or as directed by Engineer-in-Charge

Dismantling the damaged / unserviceable step ladder at any height and design, fabricate supply fix / install step ladder made out of angle iron, solid iron/hollow rod/MS flats of suitable size with length as required as per site requirement and with the step gap of minimum 10 inch including welding , cutting, drilling etc matching grouting arrangement including making good to the disturbed surfaces and painting the step ladder with the two coats of synthetic enamelled paint over a coat of metal primer complete all as specified and directed by Engineer-in-Charge.

Demolation of bitumin / inter locking tiles/cement concrete road and pavings cutting for laying of Pipe n.exc 0.15m thicness below or above ground level complete all as specified and directed.

Supply and lay Cement concretetype C2 1:3:6 (40 mm graded aggregate )in road cutting complete all as specified and directed .

Supply and lay Asphalt cold mix bitumin bag(1 bag =25Kg) for filling patch /patholes at a depth of not less than 50 mm of road complete all as specified and directed .

Supply and fix in repair Direct-on-Line Starters 5 HP, 3-Ph motor make L&T or equivalent in Siemens, Havells

Supply and fix in repair Submersible pump openwell of 3 HP ,415 V ,50Hz complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair Submersible dewatering pump of 2 HP ,20m head ,415 V ,50Hz complete all as specified and directed by Engineer-in-Charge.

Supply and fix CI both end flanged type Sluice valve (ISI Marked ) PN16 with iron wheel head, brass seat,screwed both ends for iron pipe for following sizes complete all as specified and directed by Engr-in-Charge . Make Kirlosker/Zoloto/ Leader

300 mm dia

250 mm dia

200 mm dia

150 mm dia

100 mm dia

80 mm dia

Supply and fix in repairs GI tubes medium grade of 100 mm dia complete with all fittings (like; union, tee, bend, elbow, reducer, socket) to be fixed on wall and ceilings or laid in floors/trenches complete of following bore of pipes:-

All as per item No. 30 above but of size 80 mm dia

All as per item No. 30 above but of size 50 mm dia

All as per item No. 30 above but of size 40 mm dia

All as per item No. 30 above but of size 25 mm dia

All as per item No. 30 above but of size 20 mm dia

Supply and fix in repair brass Float valve of suitable size of following diameter all as specified and directed by Engineer-in-Charge.

taking down old unserviceable tank and S&F 3 layers cylindrical heavy duty PVC water storage Tank hosting and fixing in position at any location removing existing distmantling RCC/PCC OHT and new foundation making as well as disconnecting all incoming & out going connection , provision of new tank fittings & connecting it at existing position up to 50 mm GI Pipe connection complete all as specified and directed of following capacity :- Note: All T&P for hoisting PVC tank at any position ,any height ,any location will be arranged by contractor as in this regard no extra cost will be paid to contractor.

(a) 1000 Ltr capacity

(b) 2000 Ltr capacity

(c) 3000 Ltr capacity

(d) 5000 Ltr Capacity

(e) 10000 Ltr Capacity

Supply and fix in repair Direct-on-Line Starters 10 HP, 3-Ph complete all as specified and directed by Engineer-in-Charge. Make: L&T or equivalent in Siemens, Havells

Supply and fix in repair Direct-on-Line Starters 3 HP, 3-Ph complete all as specified and directed by Engineer-in-Charge. Make: L&T or equivalent in Siemens, Havells

taking down old water storage tank of capacity upto 10000 Ltrs and refixing the tank at bsame or another location as per site requirment complete all as specified and directed . Note: All fittings required for shifting of tank to same location or another location will be deemed to be included in the quoted rate and no extra rate will be paid to contractor .

M/S V N ENTERPRISES (BID ID -3350684)

Rama Construction Co (BID ID -3350603)