University Of The Philippines Tender

Description Supply And Installation Of Airconditioning Units At The Upper Floors Of Medical Sciences Building (msb) 8th, 10th And 11th Floor (rebid) A. General Conditions And Provisions • The Work Throughout Shall Be Executed In The Best And Most Thorough Manner, Under The Direction Of, And To The Satisfaction Of The Owner Or The Owner’s Duly Authorized Representative And Based On Strict Conformance With The Contract Plans And Documents. • The Contractor Shall Be Responsible For His Work Until Its Completion And Final Acceptance And Shall Replace Any Of The Same Which May Be Damaged Lost Or Stolen Without Additional Cost To The Owner. He Shall Guard The Building And Its Contents Against Damage By Him, His Employees Or Sub- Contractors And Shall Make Repair For Any Damage Free Of Charge. This Contractor Shall Indemnify And Save Harmless The Owner, Architect And Engineering Consultant From And Against All Liabilities For Damages Arising From Injuries Or Disabilities To Persons Or Damage To Property Occasioned By Any Act Or Omission Of This Contractor Or Any Of His Subcontractors, Including Any And All Expenses, Legal Or Otherwise, Which May Be Incurred By The Legal Or Otherwise, Which May Be Incurred By The Owner, The Architect, Or The Consulting Engineer In The Defense Of Any Claim, Action Or Suit. • The Contractor Shall Put His Work In Place As Fast As Reasonably Possible. He Shall At All Times Keep A Competent Engineer In Charge Of The Work, And Shall Facilitate Its Inspection By The Owner, Architect And Engineer Consultant. He Shall Also Remove Any Rubbish Caused By His Work As Expeditiously As Possible. • A Fixed Sequence Of Operations Is Required To Properly Install The Complete System. It Shall Be The Responsibility Of The Contractor To Closely Schedule His Work In Such A Way That It Shall Be Installed At The Proper Time And Without Delaying The Completion Of The Entire Project. The Contractor Shall Carefully Check Space Requirement With Other Subcontractors To Insure That His Equipment And Pipes Can Be Installed In The Space Allotted For Them. The Contractor, Before Commencing Work, Shall Examine All Adjoining Work On Which The Work In Any Way Dependent For Perfect Workmanship According To The Intent Of This Specification, And Shall Report To The Project Manager Or Owner’s Representatives, Any Conditions Which Prevent The Contractor From Performing First-class Work, No “waiver Of Responsibility” For Defective Adjoining Work Will Be Considered Unless Notice Has Been Filed Before The Contractor Submits His Proposal. The Contractor Shall Thoroughly Acquaint Himself With The Work Involved, And Verify At The Building All Measurement Necessary For The Proper Installation Of His Work, Obtaining The Same When Necessary From The General Contractor Or Other Sub-contractors. He Shall Also Be Prepared To Promptly Furnish To These Contractors Any Information Relating To His Own Work Necessary For The Proper Installation Of Their Contracts And Shall Cooperate With Them To Secure The Best Progress Of, And Harmony Between The Work Of The Different Trades, In The Interest Of The Building As A Whole. This Contractor Shall Confer With Other Contractors Of Other Trades For Finish Adjacent To His Own Work (such As Grilles, Escutcheons, Etc.) Fit In And Harmonize With The Finish, In A Manner Satisfactory To The Owner. • It Is Specifically Intended That All Materials And Labor Which Are Necessary For The Proper Completion And Best Operation Of The System Shall Be Furnished As Part Of This Contract Without Additional Cost – Whether Or Not Shown In Details On The Drawings Or Described In Detail In The Specifications. The Provision Is In Consideration Of The Fact That, In Many Cases, The Use Of Apparatus Of Different Makes May Be Considered, Which Differ In Detail From That Described, Although Intended To Fulfill The Same Functions. • Equipment And Piping Arrangements Shall Provide Adequate And Acceptable Clearances For Entry, Servicing, Filter Replacement And Maintenance. Access Panels Shall Be Provided In The Housings Of Air Conditioning Equipment And Shall Be The Type That Will Permit Servicing Or Replacement Of The Components Of The Units As Installed. • The Contractor Shall Guarantee All Work Performed And Materials Installed By Him To Be Free From Inherent Defects, And Shall Keep Same In Repair And Replace Any Defective Materials Or Workmanship, Free Of Cost To The Owner, For A Period Of One (1) Year, From Date Of Acceptance Upon Notice From The Architect Or The Owner’s Representative. • The Contractor Shall Guarantee That The Equipment, Materials, Accessories, Methods Of Installation And Workmanship Supplied Under This Specification Will Be Of The Best Class, That It Will Be Erected In A Practical And First Class Manner, That It Will Be Complete In Operation, Nothing Omitted In The Way Of Labor And Shown Or Mentioned Herein, And That It Will Be Delivered In Good Working Order, Complete And Perfect In Every Aspect. • The Contactor Shall Supervise The Installation Of This Apparatus And Equipment, Test Or Adjust Them In Repair For A Stated Period Or Render Other Similar Services. The Contractor Will Be Held Responsible For The Performance Of The Specified Services Under The Actual Conditions Of Installation. The Same Shall Apply To Cases Where Special Adjustment Or Other Services Are Necessary To Insure The Proper And Efficient Functioning Of Apparatus Even Though Not Specifically Hereinafter Called For. It Is Intended That The Entire Plant, When Finally Delivered, Shall Be Ready In Every Respect For Satisfactory And Efficient Operation And The Contractor Is Hereby Made Responsible For The Result. Codes, Rules, Permits & Fees • The Contractor Shall Give All Necessary Notices, Obtain All Permits And Pay All Government Sales Taxes, Fees And Other Costs, Including Utility Connections Or Extensions, In Connection With His Work; File All Necessary Plans, Prepare All Documents And Obtain All Necessary Approvals Of All Governmental Departments Having Jurisdiction; Obtain Required Certificates Of Inspection For His Work And Deliver Same To The Owner Before Request For Acceptance And Final Payment For The Work. • The Contractor Shall Include In The Work, Without Extra Cost To The Owner, Any Labor, Materials, Services, Apparatus, Drawings In Order To Comply With All Applicable Laws, Ordinances, Rules And Regulations, Whether Or Not Shown On Drawings And/ Or Specified. • The Installations Provided For And Specified Herein Shall Comply With The Laws, Ordinances And Regulations Of The Municipality Where The Jobsite Is Located, And The Bureau Of Industrial Safety. • The Acceptability Of All Furnished Equipment, Materials, Accessories, Methods Of Installation And Workmanship Shall Be Based On Complete Adherence With Applicable Standards Established By The Following: 1. Pd 1096 National Building Code Of The Philippines 2005 Ed. 2. Ra 9514 Fire Code Of The Philippines 2019 Ed. 3. Philippine Mechanical Code 2012 Ed. 4. American Society Of Heating, Refrigerating And Air Conditioning Engineers (ashrae) 5. International Mechanical Code (imc) 2018 Ed. 6. Philippine Green Building Code (pgbc) 2015 Ed. 7. Philippine Society Of Ventilating, Air Conditioning And Refrigerating Engineers (psvare) Intent • It Is The Intention Of This Specification And Drawing To Call For Finished Work, Tested And Ready For Operation. Wherever The Word “provide” Is Used, It Shall Mean “furnish And Install Complete And Ready For Use”. • Minor Details Not Usually Shown Or Specified, But Necessary For The Proper Installation And Operation, Shall Be Included In The Work, The Same As Herein Specified Or Shown. • It Shall Be Understood That This Specification Is Written With Certain Items, Equipment And Materials Specified By Manufacturer’s Name, Brand, Number Or Trade Name, As A Means Of Establishing A Standard Of Quality And Performance. The Use Of These Names To Establish Quality Does Not However Prohibit Use Of Other Make Of Items, Equipment Or Materials Which May Be Considered To Be Equally Efficient In Both Performance And Quality Of Materials Surveys And Measurements • The Contractor Shall Base All Measurements, Both Horizontal And Vertical From Established Bench Marks. All Work Shall Agree With These Established Lines And Levels. Verify All Measurements At Site And Check The Correctness Of Same As Related To The Work • The Contractor Shall Examine All Drawings Relating To His Work And Verify All Governing Conditions At The Site And Shall Become Fully Informed As To The Extent And Character Of The Work Required Its Relation To The Other Work In The Area. No Consideration Will Be Granted For Any Alleged Misunderstanding Of The Materials To Be Furnished Or Work To Be Done, It Being Understood That Submission Of A Proposal Is An Agreement To All Items And Conditions Referred To Herein Or Indicated On The Accompanying Drawings. Any Exceptions, Omission Or Substitution Shall Be Presented In Writing With The Contractor’s Bid. • Should The Contractor Discover Any Discrepancy Between Actual Measurements And Those Indicated, Which Prevents Following Good Practice Or The Intent Of The Drawings And Specifications, He Shall Notify The Project Manager And The Owner, And Shall Not Proceed With His Work Until He Has Received Instruction From The Owner/project Manager Drawings • Drawings Are Diagrammatic And Indicate The General Arrangement Of Systems And Work Included In The Contract. Drawings Are Not To Be Scaled. The Architectural Drawings And Details Shall Be Examined For Exact Location Of Fixtures And Equipment. Where They Are Not Definitely Located, This Information Shall Be Obtained From The Architect, Or Owner/project Manager. • The Contractor Shall Follow Drawings In Laying Out Work And Check Drawings Of Other Trades To Verify Spaces In Which Work Will Be Installed. Maintain Maximum Headroom And Space Conditions At All Points, Where Headroom Or Space Conditions Appear Inadequate, Project Manager Or Owner Shall Be Notified Before Proceeding With Installation. • Should The Contractor Discover Any Discrepancy Between Actual Measurements And Those Indicated, Which Prevents Following Good Practice Or The Intent Of The Drawings And Specifications, He Shall Notify The Project Manager And The Owner, And Shall Not Proceed With His Work Until He Has Received Instruction From The Owner/project Manager. • Should The Contractor Discover Any Discrepancy Between Actual Measurements And Those Indicated, Which Prevents Following Good Practice Or The Intent Of The Drawings And Specifications, He Shall Notify The Project Manager And The Owner, And Shall Not Proceed With His Work Until He Has Received Instruction From The Owner/project Manager. Equipment Deviations (where Applicable) • Where The Contractor Proposes To Use An Item Of Equipment Other Than That Specified Or Detailed On The Drawings, Which Requires Any Redesign Of The Partition, Structure, Foundations, Piping, Wiring Or Any Other Part Of The Mechanical, Electrical Or Architectural Layout, All Such Redesign And All New Drawings And Detailing Required Therefore, Shall Be Prepared By The Contractor At His Own Expenses And Approved By The Project Manager/owner. Scaffolding, Rigging, Hoisting • This Contractor Shall Furnish All Scaffolding, Rigging, Hoisting, And Services Necessary For Erection And Delivery Into The Premises Of Any Equipment And Apparatus Furnished. Remove Same From Premises When No Longer Required. Material And Workmanship • All Materials And Apparatus Required For The Work, Except As Specifically Specified Otherwise, Shall Be New, Of First Class Quality, And Shall Be Furnished, Delivered, Erected, Connected And Finished In Every Detail, And Shall Be Selected And Arranged As To Fit Properly Into The Building Spaces. Where No Specific Kind Or Quality Of Materials Is Given, A First Class Standard Article As Approved By The Owner Or His Designated Representative. • The Contractor Shall Furnish The Services Of An Experienced Superintendent Who Shall Be Constantly In Charge Of The Installation Of The Work, Together With All Skilled Workmen, Fitters, Metal Works, Welders, Helpers And Labor Required To Unload, Transfer, Erect, Connect-up, Adjust, Start, Operate, And Test Each System. • Unless Otherwise Specifically Indicated On The Plans Or Specifications, All Equipment And Materials Shall Be Installed With The Approval Owner In Accordance With The Recommendations Of The Manufacturer. This Includes The Performance Of Such Tests As The Manufacturer’s Recommends. Electrical Connections (where Applicable) • The Electrical Contractor Shall Furnish And Install All Wiring Except; 1) Temperature Control Wiring; 2) Equipment Control Wiring And 3) Interlock Wiring. The Electrical Contractor Shall Furnish And Install Power Wiring Complete From Power Source To The Individual Machine Room, Terminating In A Circuit Breaker Or Junction Box. • The Mechanical Contractor Shall, Regardless Of Voltage, Furnish And Install All Temperature Wiring, And All Interlock Wiring And Equipment Control Wiring For The Equipment That The Owner Furnishes. The Mechanical Contractor Shall Furnish The Electrical Power Wiring From The Circuit Breakers Or Junction Box Installed By The Electrical Contractor, To All Motor Including The Furnishing Of All Starters Or Combination Starters Not Factory Mounted On Equipment. The Mechanical Contractor Shall Provide And Be Responsible For The Heater In All Starters That The Mechanical Contractor Furnishes. • After All Circuits Are Energized And Completed, The Electrical Contractor Shall Be Responsible For All Power Wiring, While All Control Wiring Shall Be The Responsibility Of The Mechanical Contractor. Motors And Equipment Shall Be Provided For Current Characteristics As Shown On The Drawings. • All Cost Of Electricity Due To Testing And Startup Operation Shall Be For The Contractor’s Account, (see Applicable Sections.). Accessibility • The Contractor Shall Be Responsible For The Sufficiency Of The Size Of Shafts And Chases, The Adequate Clearance In Double Partitions And Hung Ceiling For The Proper Installation Of His Work. He Shall Cooperate With The General Contractor And All Other Contractors Whose Work Is In The Same And Shall Advise The Owner Representatives Of His Requirements. Such Spaces And Clearances Shall However, Be Kept To The Minimum Size Required. • The Contractor Shall Locate All Equipment Which Must Be Serviced, Operated, Or Maintained In Fully Accessible Positions. Equipment Shall Include But Not Be Limited To Valves, Traps, Cleanouts, Motors, Controllers, Switchgear, And Drain Points. If Required For Better Accessibility, Furnish Access Doors For This Purpose. Minor Deviations From Drawings May Be Made To Allow For Better Accessibility And Any Change Shall Be Presented For Approval Prior To Implementation. Cutting And Patching • The Mechanical Contractor Shall Provide All Cutting And Patching Necessary To Install The Work Specified In This Section. Patching Shall Match Adjacent Surfaces. • No Structural Members Shall Be Cut Without The Approval Of The Owner Representatives, Architect And All Such Cutting Shall Be Done In A Manner Directed By Him. Sleeves And Plates • This Contractor Shall Provide And Locate All Sleeves And Inserts Required Before The Floors And Walls Are Built, Or Shall Be Responsible For The Cost Of Cutting And Patching Required For Pipes Where Sleeves And Inserts Were Not Installed, Or Where Incorrectly Located. Each Contractor Shall Do All Drilling Required For The Installation Of His Hangers. • Sleeves Shall Be Provided For All Mechanical Piping Passing Thru Concrete Floor Slabs And Concrete, Masonry, Tile And Gypsum Wall Construction. Sleeves Shall Not Be Provided For Piping Running Imbedded In Concrete Or Insulating Concrete Slabs On Grade. • Where Sleeves Are Place In Exterior Walls Below Grade, The Space Between Pipes Or Conduit And The Sleeves Shall Be Packed With Oakum And Lead And Made Completely Watertight. • Sleeves Shall Be Constructed Of 24 Gage Galvanized Sheet With Lock Seam Joints For All Sleeves Set In Concrete Floor Slabs Terminating Flush With The Floor. All Other Sleeves Shall Be Constructed Of Galvanized Steel Pipe Unless Otherwise Indicated On The Drawings. • Fasten Sleeves Securely In The Floors, Walls, So That They Will Not Become Displaced When Concrete Is Poured Or When Other Construction Is Built Around Them. Take Precautions To Prevent Concrete, Platters, Or Other Materials Being Forced Into The Space Between Pipe And Sleeve During Construction. Mechanical Maintenance • Operation – The Mechanical Contractor Shall Receive Calls For Any And All Problems Experienced In The Operation Of The Equipment Provided Under This Specification And Shall Take Steps To Immediately Correct Any Deficiencies That May Exist. Air-conditioning Variable Refrigerant Volume/flow System (vrv/vrf) • General – Unit/s Shall Be Air-cooled Or Water-cooled As Specified Or Indicated In Drawings, Split Type Multi System Air Conditioner Consisting Of One Outdoor Unit And Multiple Indoor Units, Each Having Capability To Cool Independently Room Requirements. Different Types And Cooling Capacity Of Indoor Units Can Be Connected To One Refrigerant Circuit And Controlled Individually. Compressor/s Shall Be Equipped With Inverter Controller And Capable Of Changing The Rotating Speed To Satisfy Variations In Cooling Load. The Refrigerant To Be Utilized Shall Be Environmentally Friendly With Zero Odp Such As R410a Or R407c. • Outdoor Unit/s – Shall Be A Factory Assembled Unit Housed In A Sturdy Weatherproof Casing Constructed From Rust-proofed Mild Steel Panels Coated With A Baked Enamel Finish. All Outdoor Units Shall Have Multiple Steps Of Capacity Control To Meet Cooling Variations 1. The Outdoor Unit Of 8 And 10 Hp Shall Have Two Scroll Compressors And Be Able To Operate Even In Case That One Inverter Compressor Is Out Of Order. The Outdoor Unit Of 5 Hp Shall Have One Scroll Compressor. 2. The Connectable Range Of Indoor Units Shall Be From 0.80 To 10 Hp. 3. The Compressor Shall Be Of Highly Efficient Scroll Type And Equipped With Inverter Control Capable Of Changing The Speed In Accordance To The Cooling Load Requirement. Cooling Capacity Kw (tr) Volts/ph/hz Eer** (min.) Compressor Heat Exchanger Type Starting Method 56.30 (16) 400 / 3 / 60 3.40 Inverter Scroll Hermetic Compressor Inverter Salt-resistant Cross Fin & Copper Tube 62.43 (17.75) 400 / 3 / 60 4.38 Inverter Scroll Hermetic Compressor Inverter Salt-resistant Cross Fin & Copper Tube 70.34 (20) 400 / 3 / 60 4.06 Inverter Scroll Hermetic Compressor Inverter Salt-resistant Cross Fin & Copper Tube • Indoor Unit/s – Shall Be Of The Following Models: Ceiling Cassette And Wall Mounted. 1. The Heat Exchanger Shall Be Constructed With Copper Tubes Mechanically Bonded To Aluminum Fins To Form A Cross Fin Coil And Shall Be Covered By Anti-corrosion Resin Film. It Shall Have Electronic Control Valve Which Control Refrigerant Flow Rate In Respond To Load Variations Of The Room. 2. The Fan Shall Be Statically And Dynamically Balanced To Ensure Low Noise And Vibration Free Operation. 3. The Address Of The Indoor Unit Shall Be Set Automatically In Case Of Individual And Group Control. 4. In Case Of Centralized Control, It Shall Be Set By Liquid Crystal Remote Controller • Control – Computerized Pid Control Shall Be Used To Maintain A Correct Room Temperature. Unit/s Shall Be Equipped With A Self-diagnosis For Easy And Quick Maintenance And Service. The Lcd (liquid Crystal Display) Remote Controller Shall Memorize The Latest Malfunction Code For Easy Maintenance. 1. Local Remote Controller 2. Central Remote Group Controller • Refrigerant Circuit – Shall Include Liquid And Gas Shut-off Valves, Solenoid Valves And Accumulator As The System Demands. • Safety Devices – All Necessary Safety Devices Shall Be Provided To Ensure Safe Operation Of The System. The Following Safety Devices Shall Be Part Of The Outdoor Unit: High Pressure Switch, Fan Drive Overload Protector/ Fan Motor Safety Thermostat, Fusible Plug, Overload Relay, Etc. • The Unit/s Shall Deliver The Design Cooling Capacity At The External Ambient Specified. The Units Are Rated At 35°c And Shall Be Suitable For Continuous Operation With Reduced Capacity At An External Ambient Temperature Of 40°c. • Provide Supports And Mounts In Accordance With Manufacturer’s Recommendations Or As Indicated On Drawings. • Condensate Removal Shall Be By Means Of Gravity Drainage And/or Condensate Pump As Necessary. • Unit Electrical Power Shall Be 230v/1phase/60hz Or As Indicated On The Drawings. • Evaporator And Condenser Coils Shall Be Of Copper Tube Construction With Aluminum Fins And Additional Anti-corrosion Coating Suitable For Salty Spray Atmosphere. • Filters Shall Be Washable Type, Easily Accessible, And Shall Cover The Full Unit Area Of Re- Circulated Air. • Refrigerant Piping And Fittings – Copper Refrigerant Tube, Astm B280, Cleaned, Dehydrated And Sealed, Marked Acr On Hard Temper Straight Lengths. • Refrigerant Insulation – Flexible Closed Cell Elastomeric Rubber Insulation; Astm C534, K = 0.033 W/m- °c, Flame Spread Not Over 25, Smoke Developed Not Over 50 For Temperatures From -4°c (40°f) To 93°c (200°f). No Jacket Required Except Specified. B. Terms And Conditions 1. Supplier’s Quotation Shall Be Inclusive Of 12% Value Added Tax (vat) And Other Incidental Expenses, Including, But Not Limited To Notarial Expenses. 2. Quotations Shall Be Valid For 60 Days From Receipt By The Bac Secretariat. 3. Delivery Period Shall Be Within 90 Calendar Days From The Date Of Receipt Of Purchase Order. 4. The Supplier Must Be A 10-year Operational Company. 5. Replacement Parts Availability Within Five (5) Years. Submit Certification From The Service Center For The Availability Of Replacement Parts. 6. The Supplier Must Submit Certification Of The Units For Vrf System In The Philippines For 15 Years. 7. The Air Conditioning System Works Must Acquire Iso 9001 Certification Under Series 9000 Of The Iso Based On A Review Of Quality Management For The Production Of Refrigeration And Air Conditioning Equipment. 8. The Air Conditioning System Works Must Acquire Environmental Management System Standard Iso 14001 Certification. 9. Service Center Must Be Within Metro Manila. 10. Liquidated Damages: • A Delay By The Supplier In The Full Delivery Of The Goods/services Shall Render The Supplier Liable For Liquidated Damages, Which Shall Be Deducted By The Procuring Entity From Each Payment Or Total Contract Price In Case Of One-time Payment. • Liquidated Damages Shall Be Equal To One-tenth (1/10) Of One Percent (1%) Of The Total Contract Price For Every Day Of Delay. 11. Warranty: • The Supplier Shall Guarantee All Works Under This Contract To Be Free From Any Technical, Material, Workmanship And/or Factory Defects And Shall Replace And Repair To The Satisfaction Of The Project Architect / Engineer And/or To The Chief Of Cpdmo On Any Part Or Portion Of The Work Which May Fail Within A Period Of One (1) Year After The Final Acceptance Of The Furniture/equipment. • The Supplier Warrants That The Goods Supplied Are New, Unused, Of The Most Recent Or Current Models, And That They Incorporate All Recent Improvements In Design And Materials. The Supplier Also Warrants That All Goods Supplied Shall Have No Patent Or Latent Defect, Arising From Design, Materials, Or Workmanship Or From Any Act Of Omission Of The Supplier That May Develop Under Normal Use Of The Supplied Goods In The Conditions Prevailing In The Country Of Final Destination. The Supplier Further Warrants That The Goods Supplied Is Fit For The Use For Which It Was Intended. • The Obligation For The Warranty Shall Be Covered By A Warranty Security In The Form Of Retention Money In An Amount Equivalent To Five Percent (5%) Of Every Progress Payment, Or Total Contract Price In Case Of One-time Payment. • The Procuring Entity Shall Promptly Notify The Supplier In Writing Of Any Claims Arising Under The Warranty. Upon Receipt Of Such Notice, The Supplier Shall, Within 7 Days And With All Reasonable Speed, Repair Or Replace The Defective Goods Or Parts Thereof, Without Costs To The Procuring Entity. If The Supplier, Having Been Notified, Fails To Remedy The Defects Within The Period Specified In The Contract, The Procuring Entity May Proceed To Call Upon The Warranty Security, Without Prejudice To Any Rights Which It May Have Against The Supplier Under These Terms And Under The Applicable Law. Note: The Foregoing List Of Items Not In Any Way Limit The Responsibility Of The Supplier To Perform All Other Works Necessary For The Completion Of The Project, Supply And Installation Of Air Conditioning Units At The Upper Floors Of Medical Sciences Building, 8th, 10th And 11th Floor, Medical Sciences Building, College Of Medicine, University Of The Philippines Manila. Completion Period The Supplier Is Given Ninety (90) Calendar Days To Supply And Deliver The List Of Items From The Date Of Receipt Of Purchase Order. The Supplier Shall Coordinate To The Cpdmo Inspector And End-users For The Schedule Of Testing Of Systems And Other Related Job Please See Attached Layout Below.