Tenders Are Invited For Mining Protection Of Excavations Of The Groty Kryształowe Nature Reserve Located At Pos. Iiw And Iin Underground Part Of The Wieliczka Salt Mine - Stage Ii

Subject Of The Contract. The Subject Of The Contract Is The Performance Of Mining Works Including The Protection Of A Part Of The Groty Kryształowe Nature Reserve Located At Pos. Iiw And Iin, The Wieliczka Salt Mine, In Which There Are No Halite Covers And Filling The Sidewall Cavities With Salt Walls, Hereinafter Referred To As Mining Works. Scope Of Works As Part Of Mining Works. As Part Of The Performance Of Mining Works, The Contractor Is Obliged To: 1) Organize The Site (Area) Of Works, 2) Prepare The Technology For Performing Works, 3) Provide Materials Necessary For The Implementation Of Mining Works, 4) Provide Machines And Devices Necessary To Perform Mining Works, 5) Provide Persons With Appropriate Qualifications And Qualifications To Supervise The Conducted Mining Works,6) Provide Surveying Services,7) Carry Out Mining Works. Execution Of Mining Works.1 Prior To Commencing Works In The Underground Workings Of The “Wieliczka” Salt Mine, The Contractor Is Obliged To Prepare The Technology For Their Implementation, Agree It With The Relevant Services Reporting To The Operations Manager Of The “Wieliczka” Salt Mine (Hereinafter Referred To As Krzg), And Then, After Making The Agreement, Submit It For Approval By K Rzg. The Technology Should Be In Accordance With The Krzg Order No. Ksw/Z/Krzg/42/2018 Of April 24, 2018, Constituting Appendix 1 To The Specification.2 Mining Works Should Be Performed In Accordance With: 1) Design Documentation Under The Name: Update Of The Design Documentation For Securing The Mining Excavations Of The Groty Kryształowe Nature Reserve Located At Pos. Iiw And Iin Of The Underground Part Of The Wieliczka Salt Mine Plant, October 2022, Constituting Appendix 2 To The Specification, 2) Permission No. 21/22 Of The Conservator Of Monuments Of The Krakow Saltworks Of November 23, 2022, Reference Number: Dk-453-35/22, Constituting Appendix 3 To The Specification, 3) Instructions For Fire-Retardant Impregnation Of Wooden Elements Of The Housing And Decor Excavations In K.S. Wieliczka S.A. To Fire-Retardant Material, Constituting Appendix 4 To The Specification, 4) Instructions For Safe Peeling Of Ceilings And Sidewalls In The Underground Corridor And Chamber Workings Of The Wieliczka Salt Mine, Constituting Appendix 5 To The Specification, 5) Instructions For Safe Manual Transport On The Surface And In Underground Workings Of The Wieliczka Salt Mine, Constituting Appendix 6 To The Specification, 6) Instructions For Placing Derailed Excavations, Constituting Appendix No. 7 To The Specification. 7) Instructions For Safe Performance Of Work Using Power Tools, Constituting Appendix No. 8 To The Specification. 3 The Estimated Scope Of Mining Works Is Specified In The Following Bill Of Quantities: Ii And Ii In The Underground Part Of The Wieliczka Salt Mine - Stage Iilp. Item Quantity Unit1 Stripping Of The Rock Mass (E.G. Compensating For Stairs, Removing Spoil And Rubble As Well As Wooden Waste, As Well As Salt Lumps For Reuse, Etc.) 220 M32 Rooting Of The Existing Support (Stands, Beams, Ceiling Beams, Door Frames, Half-Doors, Fencing, Boarding, Platforms) 55 Pcs. 5X25 Cm With Dimensions (In The Clear Opening Of The Casing) 1.90 M High And 1.95 M Wide 2 Pcs. 30X30 Cm With Dimensions (In The Clear Opening Of The Casing) H = 5.5-6.2 M, S = 2.25-2.45 M 20 Cm And Dimensions (In The Opening Of The Casing) 1.80 M High, 1.35-1.45 M Wide 12 Pcs. 25 Cm, Dimensions In The Clear Opening: Height 1.55-3.15 M, Width 2.15-3.6 M. 25 Cm, Dimensions: Length 1.8-3.0 M 10 Pcs. 16X16 Cm (Dimensions Are The Same As The Scantlings Used For The Construction Of The Girders) And 1.6 M Long, Between The Chests (Above The Third Level Of The Girders) 27 Pcs. Stands Under The Beam - Length 3.2 M 8 Pcs. 25 Cm, Dimensions: Height 0.9-2.4 M. 41 Pcs. Of Salt Overhang In The Form Of A Palisade Made Of 25X25 Cm Scantlings Arranged Organically, Approx. 1.6-2.95 M Long 10 Sets16 Alignment Of The Door Frame Stand 1 Item17 Securing The Sidewall Section In The North-Western Part Of The Chamber With Door Frames 4.3 M Long, Set On 3 Pcs. And Stands Made Of Round Logs With A Diameter Of Ø Min. 22 Cm 1 Set Of 18 Pylon Construction: Beams Of Stands Made Of Square Timber With Dimensions Of Min. 30X30 Cm And Horizontal Beams Supporting The Lining, Made Of Square Timber With Dimensions Of Min. 30X30 Cm Supported On Square Timber Braces With Dimensions Of Min. 20X20cm; Development Of The Floor Lining In The Area Of ​​The Above-Mentioned Development Pylon (About 5M2); Reinforcement Of The Pylon With Beech Wood Pins (About 60 Pcs); Installation Of Steel Clamps - Acid-Proof Stainless Steel; Installation Of J64-27 Glass-Epoxy Anchors, 4 M Long, With Power Type Washers And Nuts 1 Set 19 Construction Of Timber Framing Made Of Square Timber 20X20 Cm With Its Supports Around The Notch 1 Set 20 Disassembly Of Stairways 2 Set 21 Installation Of New Routes 3 Set 22 Min. 16 Cm. Round Logs Min. ∅16 Cm 35 M323 Full Frame Construction Made Of Scantlings, Min. 16X16 Cm 145 M324 Openwork Chest Construction Made Of Scantlings, Min. 16X16 Cm - Distance Between Scantlings Min. 16 Cm 19 M325 Installation Of A Prepared Double-Leaf Hatch With A Ventilation Window - Intermediate Chamber 1 Set26 Construction Of Salt Walls Made Of Irregular Salt Lumps Obtained Within The Reserve (In Case Of Exhaustion Of Lumps, Construction Of Chests) 41 M34 The Contractor May Carry Out A Greater Number Of Particular Types Of Works Specified In The Bill Of Quantities In Point 3, If It Is Necessary For The Implementation Of Mining Works To The Full Extent Resulting From The Design Documentation Referred To In Point 2. The Contractor Is Obliged To Immediately Inform The Ordering Party About The Expected Need To Carry Out A Larger Number Of Individual Types Of Works Specified In The Bill Of Quantities. In Order To Perform A Greater Number Of Individual Types Of Works, Specified In The Bill Of Quantities In Point 3, It Is Necessary To Amend The Contract In Advance In Accordance With § 33 Sec. 1 Point 4 Of The Contract Template.5 The Contractor Shall Carry Out A Smaller Number Of Particular Types Of Works Specified In The Bill Of Quantities In Point 3, If Their Execution Will Not Be Necessary For The Full Scope Of Mining Works, Resulting From The Design Documentation Referred To In Point 2.