Military Engineer Services-MES has published Repair / Replacement Of Steel Structure Of Sump Pit Covers/ Gratings/ Pit Ladder/ Mooring Rings And Connected Civil Works At Ndd Pumphouse And Other Area Of Naval Dockyard At Visakhapatnam Under Ge (I) (Dm) Visakhapatnam Repair / Replacement Of Steel Stru. Submission Date for this Tender is 06-09-2021. Civil Work Tenders in Naval Dockyard Visakhapatnam Andhra Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 18-Aug-2021 | Corrigendum No 1 | Date | 30-08-2021 |
| 2 | 18-Aug-2021 | Corrigendum No 2 | BOQ | 30-08-2021 |
| 3 | 30-Aug-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 06-09-2021 |
| Sl. No. | Item Description |
| 1 | Dismantling of mild steel work or wrought iron of any description in any position complete all as specified and as directed. |
| 2 | S & F structural steel framed work such as angle, channel etc cut to shape, including bending and welding angles as necessary confirming to Fe-290, Gde E-165 as in supporting structure of duct, BOPs and capstan(-1 to -2m level), working in a confined area including making good the disturbed portion of concrete surfaces(where ever required or directed by engineer-in-charge) with 1:1 1/2 :3 type A0 using 12.5mm stone aggregate all as specified and directed. |
| 3 | S & F for rolled mild steel plain or chequred plates confirming to Fe-290, Gde E-165welded, riveted, boltedattachment to supporting structure of capstan, duct covers, VFGs working in a confined area including making good the disturbed portion of concrete surfaces(where ever required or directed by engineer-in-charge) with 1:1 1/2 :3 type A0 using 12.5mm stone aggregate complete all as specified and directed. |
| 4 | M & L for MS frame work such as grills, gratings etc with ends of bars, shouldered and/ or riveted or forged into spikes for ladders framed balusters, walk ways, railings, nosing angle and similar works conforming to Fe-290, Gde E-165 at (-5m to -12m level) working in a confined area including making good the disturbed portion of concrete surfaces(where ever required or directed by engineer-in-charge) with 1:1 1/2 :3 type A0 using 12.5mm stone aggregateall as specified and directed. |
| 5 | M & L for preparation of new steel surfaces and applying two coats of chlorinated rubber paint over a coat of red oxide primer all as specified and directed. |
| 6 | Material & labour for preparation of old painted steel surfaces of any description over 10 cm width or girth and applying one coat coal tar epoxy paint complete all as specified and as directed. |
| 7 | Material & labour for Preparation of existing concrete dock wall surface of dry/ oil/ dampby means of mechanical grindingto achieve a rough, coherent substrate having an excellent anchor profile removing all the loose material, rust, dirt etc., clean and dry the surface by using vacuuming equipment, water jet and compressed air. If required surface shall be lightly grit blasting or detergent washed to get PH value neutrality complete all as specified and as directed. |
| 8 | Material & labour forproviding two coats of carbonation resistant film chemical "Deck gaurdS" of M/s FOSROC not lees than 150 micron( dry film) per coat over treated area/plaster complete including a coat of "Deck gaurdS primer " of 150 microns complete all as specified and as directed. Note: The quoted rate includes necessary scaffolding and safety gears upto (0 to -15mlevel) |
| 9 | Labour only forproviding two coats of carbonation resistant film chemical "Deck gaurdS" of M/s FOSROC not lees than 150 micron( dry film) per coat over treated area/plaster complete including a coat of "Deck gaurdS primer " of 150 microns complete all as specified and as directed. Note: The quoted rate includes necessary scaffolding and safety gears upto (0 to -15mlevel) |
| 10 | M & L for drilling/cutting holes on the top of RCC berth/jetty by mechanical or any other suitable method to a depth of 20cm with superficial area 25 Sqmm minimum including S&F high tensile 20mm dia holding down bolts of 40cm long @ 1000mm C/C including 6mm thick base plate of size 50mm x 50mm welded to the bolt head including epoxy "HILTI RE -500" inserted by mechical drilling and grouting, forfoundation frames , all as specified and directed. |
| 11 | Demolition of concrete in ground floors, flooring and pavings not exc 15cm thick (below or above GL) and removing debries out of dockyard premises all as specified and directed. |
| 12 | M & L for 100mm thick PCC 1:2:4type B1 (using 20mm graded aggregate) in flooring finished even and smooth without using extra cement including form work on jetty/dock/gallery floor areas all as specified and directed. |
| 13 | Taking down cement plaster on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc. |
| 14 | M&L for rendering15 mm thick plaster in CM (1:4) using SBR latex emulsion @ 3% by weight of cement all as specified on fair face of brick or concrete surfaces of walls finished even and smooth without using extra cement, (Make of SBR emulsion/latex: Sika, Fosroc, STP,Dr Sunanada, BASF, star coatings,measured and paid seperately.) |
| 15 | Supply only Fosroc make Nitobond SBR chemical for mixing in polymer modified plastering |
| 16 | M&L for preparation of old decoratedsurfaces plastered or unplastered, washing down, rubbing downand applying two coats of white wash on pumphouse walls/ceilings(0 to -15m level) work in compact area, entry & exit ghrough man holes including necessaary safety gears and scaffolding arrangements all as specified and directed. |
| 17 | M&L for 200mm dia mooring ring(32mm dia round bar) fixed to 02 Nos 150 x 150 x 12mm MS angle 300mm long fixed with 04 Nos nuts and bolts of 25mm dia and 300mm long drilled to RCC berth/beam and inserted the bolts and grouted with HIliti Hit RE500 chemicals and sand, stone aggregate and chemical including necessary welding and painted with red oxide primer and rubberized paint etc complete all as per shown in the drawings. Note: The above quoted rate inclusive of removing the existing worn out/damaged mooring rings and Testing of mooring rings will be mesured and paid seperately. |
| 18 | M&L painting ot new steel surface of any descriptionover 10cm width or girth with two coats of chlorinated rubber paint over a coat of zince chlorinated all as specified and directed. |
| 19 | M&L forcleaning/removing construction joint 30mm deep x 10mm wide sealent on jetty floors andapplication of primer to the groove and sealing the groove with polyurethaene based flooring sealent of approved make (as directed by GE) or filled with ceiling compound grade "A"complete all as specified and directed. |
| 20 | Taking down unserviceable HDPE pipeby cutting through concrete slabs and Supply and fix new HDPE pipe of 110mm dia as rain water pipes fixed to walls/ceiling including all fittingsand fixtureslike bendsdistant piecesbranch line, MS clampsetc complete all as specified and directed. |
| 21 | Supply and application one coat of two component system epoxy based bonding agent Nito bond EP of M/s FOSROC or techno commercially equivalent of 350 Microns thick to receive the rendroc sp40 complete all as specified and directed. |
| 22 | Material and labour apply of shrinkage controlled, polymer modified, fibre reinforced cementitious repair mortar Renderoc SP 40. Including taking down the damaged portion of concrete including throwing debris outside of ND (V) all as specified and as directed. |
| 23 | Material and labour for chipping and making rough the existing concrete surfaces of the berth deck/gallery floor/slab/ beams/ coloumns etc and cutting out corroded/rusted/worn out reinforcement and replacing the same with new reinforcement by welding with existing reinforcement at both ends with adequate overlap and binding with MS wire (annealed) not less than 0.9 mm dia at suitable intervals and making good the disturbed concrete surfaces with 50 mm average thick (as per floor slope availability) PCC (1:1½:3), type A1 (using 20 mm graded stone aggregate), neatly finished to match with adjacent surfaces Work in compact area, entry and exit through man holes, below ground level complete all as specified and directed. Note:- The unit rate quoted for the item should include use and waste of form work required to hold the concrete in position till attaining minimum strength. |
| 24 | Supply and fixStainless Steel, 316 grade , stair case safety railing Verticalposts of size 100mmx100mmx3.0mm thick, 1100mm height, top of the post shall be cut to receive the 50mm round railing pipe and the vertival post welded to abase plate of size 100mm X 100mm X 5mm thick ,made out of SS316 heavy duty, maintenance free, corrosion resistant, aesthetic looking stainless steel extruded sections.The post shall be fixed to the staircase treads/landingconcrete surface of dry dock withfour in nos M12X150mm anchor fastners. For fixing M12 bolts ,ahole of 16mm dia shall be first drilled into the concrete to depth of 100mm and shall be filled with epoxy grout of Lokfix E75 of M/s Fosroc or Hil ti Re 500 after thorugh cleaning of drilled hole. M12 bolts shall be inserted into the epoxy filled hole and SS vertical post shall be grooved in to the M12 bolts and fixed with nut and washers tightly to the post.The unit rate quoted shal include the cost of post, fixing of onevertical SS post in position inclusibve of drilling holes(4 nos) in the concrete, Epoxy, M12(4Nos) bolt with nut and washers. all as specified and directed. |
| 25 | Supply and fixing ofhorizontal chains (one end fixed to vertical post and other endremovable type) with a sag of 150mm for railing withSS 316 garde 10mm dia bar bent to oval shape chain of 50mm X30mm (minimum, outer size)for safety railings, made out of SS316 heavy duty, maintenance free, corrosion resistant, aesthetic looking stainless steel extruded sections.The SS chain shall be welded to the vertical post at one end & hooked at the otherend at300mm & 600mm from thebottom of thevertical post . (The length of each horizontalchain shall be 2.150m (including150m sag) in general or complete all as specified and directed. |
| 26 | M&L for removing / dismantling of existing corroded / unserviceable SS railings with vertical posts including cutting out old holding down bolts from the concrete surfaces and cleaning the surface complete all as specified and as directed. |
| 27 | Material & labour for polymer modified plastering in CM 1:6, 15mm thick on fair faces of brick/concrete surafces of Gallery/Dock walls finished even and smooth with out using extra cement and using Nitobond SBR at the rate of 3% of weight of cementincluding taking down old cement plaster &plaster debris outside of ND (V) complete all as specified and as directed. Note:- SBR shall be measured and paid separately |
| 28 | Supply only Fosroc make Nitobond SBR chemical for mixing in polymer modified plastering complete all as specified and as directed. |
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