Military Engineer Services Tender

-Ditto- as per item No 3 but pipe 80 mm bore.

Supply, lay and fixing steel water tubes,of size 50mm bore medium grade, ISI marked, galvanized with all fitting laid in trenches complete all as specified and directed.

-Ditto- as per No 5 but pipe 80 mm bore.

S&F framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 including two coats of synthetic paint over one coat of primer all as directed and as specified.

M&L for rendering plaster 15mm thick in cement mortar 1:4 finished even and smooth without using extra cement complete all as specified and directed.

M&L for seven stage cleaning and sterilization of inside the RCC/ Steel Underground/semi underground/Over head/Sedmentation/clear water sumps of following capacity UG sump/semi UG reservoir through bacteriological treatment by using TERBAC G5/Inchor-5/NB-10/ TERBAC-G-65/ Inoxi-60/NB-69 AND ULTRA VIOLET RAY. Make: Rays Cleantech/ Inus watertech/ Satya enterprise. Seven stages are as under:- (a). First Stage is to drain out the water by using exit valve or high capacity dewatering system. (b). Second stage is cleaning all the algae formation inside the tank by using TERBAC G10/ Inoxi-60/NB-69 a laboratory tested branded chemical of the company and scrubbing the walls of the tanks. (c). Third strage is fresh water cleaning by high speed jet pump. (d). Fourth stage and first bacteria screening is decertification by using TERBAC-G5/ Inohor-5/NB-10 a Govt Laboratory certified brannded halogen compound. (e). Fifth stage is cleaning the floor of water tank by industrial vaccum cleaner. (f) . Sixth stage is the second bacterio screening and sterilizing method by using ultra violet ray within the tnk 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 agent TERBAC-G65/Inoxi-60/NB-69 for following tanks/sums:-

NOTE:-(i) Cement will submit Govt laboratory test cert of TERBAC-G5/INCHOR-5/NB-10, TERBAC-G65/ INOXIi-60/NB-69, before cleaning, fix the sticker mentioning the date of cleaning & Name of site and also provide cert confirming the completion of the sterilization of water tanks mentioning the Name of station and date of cleaning. All the cleaning & sterilization staff should be under accidental insurance coverage. (ii) Outlet pipe of OHT should be plugged before cleaning the OHT to avoid entering scals and the same shall be reconnected after cleaning the OHT and the quoted rate is deemed to include for the revision. (iii) Sterilization team will be comprised of at least 30 % members who are minimum 03 months certificate holder in water tanks sterilization. (iv) Contractor will be responsible for rectification of complaints occurred during cleaning the tank. (v) The work shall be carried through specialized agency like Rays Cleantech/ Inus watertech/Satya Enterprise.

Sedimentation tank.

Clariflocculator tank

Filter bed

Clear water UG sump

M&L Making V groove of 10mm wide and 30mm deep or upto the extend of joint/crack present at site over joint/ crack line using electricity operated angle grinder with diamond concrete saw blade and cleaning it by air blower as directed by Engineer-ln-Charge. The groove shall be cut on the concrete surface along the joint/crack over RCC structure to be repaired complete all as specified and directed. Note: Work to be executed by the authorized applicator of manufacturer only.

M&L for Drilling Holes of 12mm dia up to 100 mm deep holes in structural members at the interval of 400 mm in staggered manner or along the joint & crack line in Reinforced Concrete (RC) structural element including cleaning of the holes by air blower and inserting 12mm nozzle compatible with injection of grouting mix and having machined external end to receive outlet of Grouting Gun. Fix inside the hole by applying thixotropic epoxy adhesive SikaDur 31 or equivalent to ensure complete sealing and allow curing the system for minimum of 8 Hrs before Grouting including nozzle projections, excess putty, if any, over concrete element by grinding, leveling and finishing the external surface, after completion of the work, etc. complete all as specified and directed.

M&L Sealing of exposed 'V' groove of 10mm wide and 30mm deep with Sikagard 694 F(l) or Quick Fix or equivalnt solventfree, moisture tolerant, thixotropic, two part structural adhesive and repair mortar cum surface levelling mortar. Note: Work to be executed by the authorised applicator of manufacturers only.

M&L for injection grouting of construction joints with non shrink cement slurry admixed with epoxy grouting Cebex 100 of M/S Fosroc Chemical /SikaGrout -214 IN or equivalent in Appx 'C' @ 300 mm C/C including of opening of cracks to a groove of size 12mm X 12 mm, Nozzle at 300 mm C/C including of opening of cracks to be grooved of size 10mm X 10mm fixing of nozzles with fast setting plugging compound Renderoc plug, cutting the extra length of nozzle after grouting all in complete as per manufacturers instructions including necessary scaffolding as required and as per the directions of Engineers incharge complete all as specified and directed. Seal the nozzle with Sikagard 694 F(l) or equivalent thixotropic epoxy putty in Appx 'C' after the refusal of grout material from the nozzle. Note: (a) leakage through other nozzle or cracks are required to be monitored while grouting and such points to be sealed as and when required without any extra cost. (b) Work to be executed by the authorised applicator of manufacturers only.

Providing & Applying Two coats of Sika Topseal 107 or Aqua Arm Top Guard or equivalent in Appx 'C' inside of the wall & floor of the tank, a two components ready to use polymer modified cementatious coating .First Coat shall be applied horizontzlly and second coat shall be applied verticallyThe thickness of coating shall not be less than I .5mm. complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturers only.

M&L applying two coats Sikagard 67 or Aqu Arm Tank Coat, or equivalent in Appx 'C' a water based epoxy coating certified for portable water on all over the concrete surface from inside.Apply the first coat by brush allow it to dry for 6-8 hrs and then apply 2nd coat and allow it to cure complete 24 hrs The coating shall be applied using brush application. The Thickness after two coating should not be less than 500 microns complete all as specified and directed. Note: Work to be executed by the authorised applicator of manufacturers only.

M&L for taking out existing filter media (sand and gravel) from filter bed and segregation of filter media for reuse and refilling of serviceable filter media and thrown away of unserviceable filter media for a distance exceeding 1Km from the site of work complete all as specified and directed.

Supply and laying of new filter media including all carriages from Ganderbal to site of work complete all as specified and directed for the following :- (a) Gravel of size 6mm dia (b) Gravel of size 2/3/4 mm dia (c) Fine sand Note : (i) The filter media consists of gravel and fine sand (ii) The sample of fine sand and gravel to be approved by the GE befor laying (iii) The size of layer of sand and gravel will be layed after approval of GE Note for all items of works:- The unit rate shall be inclusive of M&L for scaffolding.