United Nations Secretariat Tender

The United Nations Global Service (ungsc), Seeks An Appropriately Qualified Contractor For The Provision Of Design And Construction Services For Roof Waterproofing Of Three (3) Buildings At The Unictf In Valencia, Spain. The Main Purpose Of This Project Is: A) To Install A Waterproofing Membrane To Resolve Water Infiltrations Problems From Roofs Of Two (2) Unictf Buildings, Which Have Solar Panels And Hvac External Units Installed Without Removing Them; B) To Provide Design Of The Roof Layers And Construction Service Of The Unictf Entrance Building Roof, Including Waterproofing Works. The Contractor Shall Be Responsible For The Execution Of The Works In Accordance With Any Specific Rules And Regulations Applicable To This Type Of Interventions, Relevant Standards And Codes Of Practice For Spain And Europe, And The Following Activities: - Executive Design And Supervision Of Works - Provision Of Contractor's Safety Plan (pss) - Site Preparation - Temporary Security Fencing For Construction Sites - Removal And Reinstallation Of Solar Panels And Air Conditioning External Units Of The Entrance Building Roof - Demolition Of Entrance Building Concrete Roofing - Construction Of Entrance Building New Roofing - Roof Waterproofing Of Building Of1 And Of2 - Disposal Of All Construction Waste - Site Cleaning - Maintenance Plan - Testing And Commissioning The Works/services Are As Follows: Design Stage: 1. Delivery Of Operative Safety Plan (p.s.s.) With All Required Documentation As Per Spanish Law (plan De Seguridad Y Salud); 2. Provision Of Executive Project; 3. Provision Of Executive Work Programme (gantt Chart). Construction: A. General Works: 1. Site Inspection And Preparation (including Fencing, Signalization, Etc); 2. Work Site Supervision And Implementation Of Waterproofing Works And P.s.s. 3. Site Cleaning; 4. System Certification And Documentation; 5. Test And Certification; Maintenance Manual, User Manual And Maintenance Plan As Per Spanish Law. B. Civil Works: General 1. Installation Of Scaffolding Along The Perimeter Of The Buildings, If Necessary, And Implementation Of Safety Plan: Protections, Anti-fall System, Etc.; 2. Inspection And Testing Of Roof Water Drainage System (downspouts Pipes, Etc.); For The Entrance Building 3. Temporary Removal Of The Hvac Equipment And Solar Panels On The Roof To Treat The Concrete Surface Underneath And Repositioning Of These Units After Waterproofing Treatment; 4. Demolition Of Concrete Roofing And Waterproofing Membrane And Disposal; 5. Construction Of A New Roofing By Carrying Out The Provision And Installation Of Vapor Barrier, Insulation Panels (thickness = Min. 6 Cm), And Two Layers Of Low-maintenance Reinforced Bitumen Polymer Membranes With Shear Resistance Of 350/250 N/50mm; 6. For The Hvacs, Provision And Reloading Of The Refrigerant Gas And Disposal Of Old Refrigerant Gas Oil; 7. Repositioning Of The Existing Lightning System, Solar Panels, Hvacs And Service Lines, If Any; For Buildings Of1 And Of2 8. Waterproofing Of The Areas By Cleaning The Area, Opening The Cracks And Filling Them With Primer And Sand; Laying One Layer Of Primer On Stable, Solid Substrates With A Maximum Humidity Of 7%, Treating With Polyurethane Liquid Membrane Reinforced With Fibers, Laying One Layer Of Nonwoven Geotextile On Corners And Conjunction, Laying One Layer Of Polyurethane Waterproofing Membrane (minimum 1,5 - 2kg/smq), Laying One Layer Of Nonwoven Geotextile; 9. Laying The Second Layer Of Polyurethane Waterproofing Membrane (about 0,5 Kg\smq), And Covering It With One Or Two Layers Of Aliphatic Polyurethane Top-coat. The Contractor Shall Provide All Labor, Equipment And Materials Required To Perform The Project, Including All Tests And Certifications As Per Spanish Legislation In Force. The Full Technical Requirements And Administrative Instructions Will Be Provided With A Solicitation Document To Be Issued At A Later Stage After The Closing Date For This Eoi. ***important Note: The Tender Documents Will Be Sent Via An E-tendering Platform Only To The Email Address(-es) Registered In Companies’ Ungm Account. Therefore, Companies Are Requested To Verify The Validity Of The Contact Email Address(-es) Associated With Their Ungm Account At Www.ungm.org So As To Ensure Delivery Of The Notifications And Access To Tendering Documents.*** This Reoi Does Not Constitute A Solicitation. The Ungsc Reserves The Right To Change Or Cancel The Requirements At Any Time During The Reoi And Solicitation Process. Thus, Submitting A Reply To This Reoi Does Not Automatically Guarantee That Your Company Will Be Considered For Receipt Of The Solicitation Documents When Issued.