Tender For Repairs And Replacement Of Rigging Arrangement At N-4 To N-26 At Naval Dockyard Visakhapatnam Under Ge (I) Dm Visakhapatnam, Visakhapatnam-Andhra Pradesh
TDR : 53949624
Tender Notice
BOQ
15 Days Left
Visakhapatnam
Andhra Pradesh
Tender For Repairs And Replacement Of Rigging Arrangement At N-4 To N-26 At Naval Dockyard Visakhapatnam Under Ge (I) Dm Visakhapatnam
Name of Work:REPAIRS AND REPLACEMENT OF RIGGING ARRANGEMENT AT N-4 TO N-26AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) DM VISAKHAPATNAM.
Sl. No.
Item Description
1
Removing worn out bollard foundation bolts of 63 mm dia on the berth end by following activities all as specified and directed :-(a)Providing temporary arrangements using 12 mm thick MS plate and angle iron stiffeners of suitable size for holding down core drilling machine system in required position.(b)Drilling hole in RCC (by using core drilling machine with diamond core bit) of 77 mm dia to a depth of 500 mm at an angle of 23 degrees cut over the existing bolt to a depth of 430 mm.The projectile of the existing inclined bolt shall be marked on the bolt foundation and lateral core cutting in the RCC foundation to facilitate the core bit to cut through the existing bolt at height of 430 mm and there by removing the bolt from the foundation.
2
Material and labour for cleaning the core as made side item Nos. 1b & 2b herein before and removing the dust using electrically driven hot air blower and filling the entire core with polymer base mortar (micro concrete of grade M-70-non hilti material) FOSROC Renderoc-RG as per manufacturer’s instructions and cured for 72 hours complete all as specified and directed.
3
Material and labour for cutting core of size 42 mm dia and 360 mm deep in the filling of polymer based mortar, as filled vide item No.3 herein before in exact angle as required, the material surfaces of the core shall be roughened using special bushing bit, clean the core and removing the dust using electrically driven air blower, injecting in the core 400 ml heavy duty adhesive chemical HILT HIT-RE 500, from the bottom of hole in order to avoid air pockets complete all as specified and directed.
4
Supply and insert HAS-E ductile steel galvanized threaded rod 39 mm dia and 510 mm long of grade 8.8 of make HILTI India Pvt. Ltd. indicating embedment depth mark with washer and nut of galvanized steel with strength class 8, washer shall be 72 mm dia 1 No. each at base and top and nut shall be of 59 mm dia all as specified and directed.Note: - The rod shall be inserted in the adhesive chemical as filled vide item No.4 herein before, before it cures.Inclinometer shall be used to maintain the required angle.Nuts and washer shall be fixed on the rod after the rod in set for 42 hours.
5
Material and labour for conducting vertical pull test on the new HILTI HAS-E bolt using hydraulic testing machine for recommended pulling capacity of 16.64 tonne per bolt all as directed.Note: - (i) The test shall be carried out on the selected bolts as decided by accepting officer and the results shall be recorded in the presence of Engineer-in-Charge.(ii) Failed bolts to be re-fitted by procedure 1 to 5 andretested, no extra payment paid against these jobs.
6
Material and labour for cleaning and removing all scales and dire from and around the existing bollard bolt by wire brushes for cracking the nut of existing anchor bolt with pressure/ manual operated nut cracker without damaging the existing threads and cleaning the existing anchor bolt using the product of Henkel Adhesive Technologies Pvt. Ltd. –“ Loctite” – Solution with ODC free cleaner and degreaser Product code – 22355 with hot water and leave dry the anchor bolt and fixing new bollard nut of mild steel having inner dia 63 mm and outer dia not less than 72 mm and weight not less than 760 grams with 3 mm thick washers minimum 02 Nos. of outer dia 88 mm along with lock set chemical of “Loctite” solvent base medium strength thread locker Loctite243 in the gap between nut and anchor bolt completeMake of Anti rustcleaner & Thread locker :- LOCTITE
7
Material and labour for complete removal of existing finishes of the bollard base and head and applying two coat of coal tar epoxy paint over two coats of epilux zinc chromate yellow primer on coropex epoxy shop primer, brown in steel surfaces complete all as specified and directed.
8
M&L for buffing of stainless steel railing included all necessary polishing materaial and necessary material to achive the proper polishing of railing in any shape and size height of railing not exceeding 2.00 mtr all as specified and directed.
9
Material & Labour for providing and fixing stainless steel (Grade 304) ofrailing made of hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (where ever required) and fitting the same with necessary stainless steel nuts and bolts complete, including fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc., of required size, on the top of floor or the side of waist slab with suitable arrangement complete all as specfied and directed.
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