(a) Installer's qualifications.
- (1) Installers shall be recognized roofing contractors specializing in the chosen system roof application, skilled and experienced in the type of roofing required.
- (2) In addition, the installer shall be familiar with the specific requirements and methods needed for proper performance and workmanship in accordance with recognized standards of the industry and the manufacturer.
(b) Preinstallation conference
- (1) A preinstallation conference shall be held prior to installation of any roofing and associated work on a state building.
(2) The preinstallation conference shall be initiated by the design professional at the proper time with a minimum of three (3) days’ notice for the following parties to attend:
- (A) Installer's representative (roofing subcontractor);
- (B) General contractor's representative (where applicable);
- (C) Mechanical contractor's representative (where applicable);
- (D) Electrical contractor's representative (where applicable);
- (E) Deck installer's representative (where applicable);
- (F) Testing services representative (where applicable);
- (G) Design professional;
- (H) Construction Section of the Building Authority Division representative;
- (I) Department representative or project coordinator; and
- (J) Physical plant or maintenance representative.
(c) Review the following with all concerned representatives:
- (1) Letter from manufacturer furnishing roofing system/roof warranty, stating manufacturer has reviewed job specifications and agrees to furnish warranty as specified;
- (2) Project requirements, drawings, specifications, and construction details;
- (3) Material submittals and manufacturer's requirements for bonding (where applicable);
- (4) Deck condition and installation (where applicable);
- (5) Storage of materials;
- (6) Installer’s set-up directions;
- (7) Safety considerations;
- (8) Protection of rooftop, building, and grounds;
- (9) Scheduling of work;
- (10) Roof inspection and testing;
(11)
- (A) Weather limitations.
- (B) Rejection of phased construction;
- (12) Application of materials/building and regulatory codes;
- (13) Cleanup; and
(14)
- (A) Project close-out.
- (B) A record shall be made by the design professional of the preinstallation conference discussions, the decisions and agreements reached, and a copy of the record shall be made available to each party attending.
(d) Roofing materials delivery and storage requirements delivery.
(1) No materials are to be delivered to the site prior to the:
- (A) Approval of the materials submittal;
- (B) Preinstallation conference; and
- (C) Owner’s representative's approval.
- (2) No materials are to be delivered to the site without the proper arrangements for placement, storage, and protection from the weather.
- (3) Departments and their representatives are instructed not to accept delivery or be responsible for acceptance.
- (4) Deliver materials in manufacturer's original containers, dry, undamaged, seals and labels intact.
(e) Sheet material storage.
(1) Storage of all sheet materials (roll goods) and insulation shall be subject to the following requirements:
- (A) If within fifty (50) miles of contractor's warehouse, all sheet materials (roll goods), insulation, and the like, shall be trucked to the job daily from enclosed warehouse storage.
(2) All other storage shall conform to the following:
- (A) Enclosed trailer, vans, or truck storage on the project site;
- (B) Canvas (no plastic sheeting is acceptable) tarpaulins, with material on wooden pallets, six inches (6") minimum above the ground, secured by ropes, top and sides of all material protected from moisture and rain; and
- (C) Bitumen may be stored separate, adjacent to kettle location.
(f) Rejection of phased construction.
(1)
- (A) The installer shall not phase the application of the roofing system.
- (B) The roof system components shall be applied consecutively as recommended by the manufacturer (within the limits of a day’s work) and be weather-tight so that in the event of inclement weather, no damage will occur to the roof components or interior contents of the building.
- (C) Phased roof construction will be rejected by the owner’s representative and shall be removed and replaced by the installer.
(2)
- (A) Final surfacing of aluminum coating, where applicable, may be delayed until the roof membrane cap sheet has properly weathered.
- (B) Allow owner’s representative time to inspect roof surfaces.
- (C) All roof surfaces shall be clean and dry for approximately forty-eight (48) hours prior to application of final surfacing.
(g) Weather condition limitations.
- (1) Proceed with roofing and associated work only when weather conditions will permit unrestricted use of materials and quality control of the work being installed, complying with all requirements of the specifications and recommendations of the roofing materials manufacturers, without phased construction.
(2)
- (A) Proceed only when the installer is willing to guarantee the work as required and without additional reservations and restrictions.
- (B) Record decisions or agreements to proceed with the work under unfavorable weather conditions and contact the Construction Section of the Building Authority Division.
- (C) State the reasons for proceeding and the names of the persons involved in the decisions, along with changes (if any) in other requirements or terms of the contract.
(h) Protection and cleanup.
(1) Rooftop protection and cleanup.
- (A) Protect roof surfaces over which work is to be performed.
- (B) Exercise care and caution that roofing materials placed on rooftop do not overload structure or damage decking or other roofing materials.
- (C)
(i) Take care to prevent bitumen, aggregate, and debris from running into and clogging roof drains and rainwater conductors.
(ii) Remove trash and debris promptly.
(D)
- (i) Schedule work in order not to track over and damage newly installed roofing in place.
- (ii) If absolutely necessary to cross a newly applied roof area, coordinate exact protection procedures with owner’s representative.
- (E) The installers shall be responsible for all damage to any related items to his or her trade and will be responsible for the cleaning and repair or replacement of any such items.
(2) Building protection and cleanup.
- (A) Properly and efficiently protect building and work of other trades from damage by roofing materials during the performance of the work.
(B) The installer shall:
- (i) Protect building walls and other surfaces from disfiguration by bitumen stains, runs, or spillage, etc.; and
- (ii) Bear the labor and material costs for repair of these surfaces from damage by the roofing installer's work.
(C)
- (i) Protection of the building and its interior contents is mandatory.
- (ii) The installing contractor shall submit a written plan for providing this protection to the owner’s representative for approval.
- (iii) The installing contractor shall furnish plastic sheeting to protect computers, word processors, printers, typewriters, and any other sensitive equipment in the building.
- (D) It is suggested, and may be necessary, for the installing contractor to contract with the agency’s designated employee or employees (custodial or physical plant) for after-hours cleanup and protection.
(3) Grounds protection and cleanup.
- (A) Coordinate access, parking, storage of materials and equipment on the grounds with the owner’s representative designated at the preinstallation conference.
- (B) Protect the grounds, lawn, landscaping, shrubbery, and the like from abuse and damage during roofing work.
- (C) Remove trash, debris, wrapping, and the like promptly and clean up daily around the job.
(D)
- (i) The installer shall be responsible for removing all equipment and surplus material from the grounds prior to final acceptance of the work.
- (ii) Installer shall leave his or her portion of the work, as specified, clean and in complete order.
- (iii) Upon final completion, the ground shall be cleaned of all trash, debris, gravel, bitumen, lumber, scraps, and the like and the grounds raked to conditions prior to roof work.
- (i) Installer’s guarantee.
- (1) Terms. Upon completion of all work and as a condition of its acceptance, deliver to the owner a written guarantee signed by the general contractor and the installing subcontractor agreeing to correct all leaks and defects in the roofing system work.
(2) Time period.
- (A) The time period for correction of the roofing system work shall be two (2) years from the date of final acceptance of the roof by the owner’s representative and the division.
- (B) Sixty (60) days before the end of the two-year period, review roof conditions of the site with the owner and all parties concerned and correct all defects in conformance with the original specifications.
- (3) Warranty repairs. During the correction of work period, the roofing installer shall, upon notice from the owner, make immediate temporary repairs and notify the roofing materials manufacturer, make a report, and, if covered by this guarantee or the roofing materials manufacturer's guarantee, the roof shall be permanently restored to a water-tight condition, at no cost to the owner.
(j) Manufacturer’s roof warranty.
(1)
- (A) A manufacturer’s warranty shall be required on all reroofing, new construction, and associated roof work on state buildings unless the cost and size are very minor.
- (B) Specified work shall be guaranteed by the roofing materials manufacturer for a period as specified (maximum term and maximum penal sum available) starting from date of final acceptance by the owner of the completed roofing system.
- (C) The materials manufacturer shall approve the roof warranty.
- (D) Surety company bonds are not acceptable.
- (E) Submit one (1) copy of the roof warranty on manufacturer's standard printed form to the department upon acceptance of the roof.
(2)
- (A) Specified work shall be inspected by qualified representatives of the manufacturer during its installation and at final completion for conformance to manufacturer's warranty program.
- (B) Minimum follow-up inspections shall be made in accordance with the manufacturer's requirements and corresponding observations and reports provided to the owner.
(k) Installer’s warranty signs.
(1)
- (A) Provide ten inches by twelve inches (10" x 12") minimum size painted signs (quantity of signs as needed or specified) made of aluminum with a light color background and letters of a contrasting color.
- (B) Use paint that is compatible with the aluminum.
- (C) Make the sign to read as follows: "DO NOT MAKE REPAIRS OR ALTERATIONS TO THIS ROOF" without the written approval from the department’s authorized representative. This roof is maintained until (insert the date, month and year, two years after date of final acceptance), by (insert contractor's name, address, and telephone number).
(2)
- (A) Permanently post signs as directed by the owner’s representative.
(B) Provide at least one (1) sign on each roof of the building where new roof work occurs.
- (l) Roof inspections/roof cuts.
- (1) The design professional's specifications, based on the manufacturer's recommended installation procedures, when approved by the owner and the division, will become the basis for inspecting and accepting or rejecting actual installation procedures used on the work.
(2) Roof inspections.
- (A) Provide safe access to the roof for proper inspection by the owner’s representative.
- (B) Notify the roofing materials manufacturer whenever roofing work is to be done in sufficient time to arrange all inspections necessary for bonding of the roof system.
- (C) Keep the owner’s representative and Construction Section informed of the status of the project and schedule for completion.
(3) Roof tests, roof cuts.
- (A) Roof cuts will be made only when considered absolutely necessary to determine compliance with specifications.
(B)
- (i) When necessary, cut four inches by forty-two inches (4" x 42") test samples (to cut a total cross-section of all roof plies) of installed roofing as directed by the owner’s representative.
- (ii) Immediately repair roof to conform to adjacent roof construction without cost to the owner.