Attachment 1_SOW_replace boiler_tower_coils.docx

Solicitation 12639526Q0038, Attachment 1

Statement of Work Replacement of Boilers, Reheat Coils, and Cooling Tower

General The USDA Cotton & Tobacco Program requires the complete removal and disposal of two steam boilers, one cooling tower and three sets of air handler reheat coils and the installation of one steam boiler, one cooling tower and three reheat coils in their place. This includes the complete installation of a single item of equipment, including piping, valve and insulation installation, electrical work, temperature controls work, and any and all items required to completely install, test, and commission the equipment.

Description and Requirements

· All equipment shall be furnished with BACnet compliant microprocessor controls that will connect directly into the Seimens control system existing in the building, originally installed by EK Automation of Hernando, MS.

· The quote must include the total installed cost including all equipment, materials, tools, labor, controls, structural engineering, one-year warranty, electrical and all other costs to the government.

Boiler Specifications

BOILER, STEEL, LOW PRESSURE, FORCED DRAFT

A. The boiler must be designed for 30 psig water or 15 psig steam. Equal boilers by Bryan, Burnhan, Kewanee or Sellers Engineering will be acceptable.

B. The boiler shall have a minimum output as scheduled.

C. General Boiler Design:

1. Boiler design will depend on the product offered. Contractor may submit multiple boilers for consideration.

2. The boiler must be completely preassembled and fire tested at the factory. The unit shall be ready for immediate mounting on the foundation and ready for attachment of water, fuel, electrical and vent connections.

D. Boiler Shell:

1. The boiler shell shall be constructed in accordance with ASME Boiler Code and shall receive authorized boiler inspection prior to shipment. A copy of the inspection report shall be furnished.

2. Two lifting eyes shall be located on top of the boiler.

3. Front and rear doors of the boiler shall be hinged or deviated. Doors are to be sealed with asbestos tadpole gaskets and fastened tightly using heavy-duty capscrews which thread into replaceable brass nuts.

4. Rear refractory and insulation shall be contained in the formed rear door which must swing open for inspection.

5. Front and rear rube sheets and all flues must be fully accessible for inspection or cleaning when the doors are swung open. The shell shall be furnished with adequate handholes to facilitate boiler inspection and cleaning. Install the boiler with clearance to replace all tubes.

6. Observation ports for the inspection of flame condition shall be provided at each end of the boiler.

7. The boiler insulation shall consist of a 2-inch fiberglass blanket under a sectional preformed sheet metal lagging. This insulation must be readily removable and reinstalled, if required.

8. The entire boiler base frame and other components shall be factory painted before shipment, using a hard finish enamel.

E. Forced Draft Blower:

1. All air for combustion shall be supplied by a forced draft blower mounted in the front boiler door.

2. The impeller shall precast aluminum, radial blade, carefully balanced, and directly connected to the blower motor shaft.

F. Burner and Piping:

1. The burner shall be integral with the front head of the boiler and shall be a combination of the pressure atomizing type for oil and the high radiant annular entry type for gas. The burner must be approved for operation with either CS12-48 Commercial No. 2 oil, natural, or liquified petroleum gas.

2. The burner shall operate on the high-low-off principle for oil firing or combination oil/gas firing and must always return to the low fire position for ignition. Boilers shall have a minimum turndown of 4:1, where 25% load operation is possible.

3. The gas pilot shall be the premix type with automatic electric ignition. An electronic detector shall monitor the pilot so that the primary fuel valve cannot open until the pilot flame has been established.

4. Combustion air damper and high or low fire oil valves and butterfly gas valve shall be controlled by a damper motor which shall regulate the burning rate according to load demand.

G. Gas System:

1. Gas burner piping on the unit shall include the gas shutoff valves. It shall be controlled by the programming relay to start or stop the burner, and to close automatically in the event of power failure, flame failure, a low water condition, high or low gas pressure or draft failure.

2. A plugged leakage test cock and a second lubricated plug cock shall be provided as a means for tightness check of the shutoff valves.

3. The controls shall include a manual gas valve, automatic gas pilot and vent valves, pressure regulator and all accessories to conform to Factory Mutual (F.M.)

requirements. Note that the existing burner train may be reused if compatible with the proposed boiler. Provide new trim as specified for each boiler furnished.

H. Burner Flame Failure Controller:

The program relay shall control ignition, starting and stopping of the burner and provide both a precombustion purge and a post combustion purge. It shall shut down the burner in the event of ignition, pilot, or main flame failure.

I. Control Panel:

1. The control panel shall be mounted on the front door of the boiler. It shall be a NEMA 1A enclosure, and shall be conveniently located for the operator.

2. The panel shall contain the electronic programming relay, blower motor starter, and control switches.

3. A manual/automatic switch shall be provided to permit continuous firing at the low fire or high fire rate when automatic firing is not desired.

4. All electrical equipment shall be in conformity with the Underwriters' Laboratories requirements. Oil, heat and moisture resistant wire must be used throughout.

J. Efficiency Guarantee:

The boiler shall be guaranteed to operate at a minimum fuel to steam efficiency of 80 percent. Submit certified efficiency ratings.

K. Shop Tests:

The packaged boiler shall receive factory tests to check the construction, controls, and operation of the unit. All tests shall be witnessed by the owner, if requested.

L. Starting Service:

After boiler installation is completed, the manufacturer shall provide the services of a field representative for starting the unit and training the operator. This service will not exceed two consecutive days, for a routine installation.

M. Boiler Setting:

The steel base furnished with the boiler shall be set on wide flange beams which shall set on reinforced concrete runners. Verify exact requirements at the site.

N. Wiring:

The Contractor will do all required wiring, except prewiring of the factory furnished panel, and this contractor shall furnish the necessary devices and complete wiring diagrams showing in detail the arrangement of the devices and the method of connecting them.

O. Boiler Connections:

1. Run the fuel service lines to serve the boiler. The Contractor shall connect to this terminal and run to and connect the burners and pilots completely.

2. Provide connections to steam, condensate, gas, flue and commission for operation.

3. Provide and install all valves, increasers, reducers, unions, etc. indicated or required to properly install, maintain and operate the installation.

4. The arrangement of the connections shall generally be as indicated on the drawings.

5. It shall be the responsibility of the contractor to see that the overall boiler installation conforms to all code requirements, insurance company requirements and requirements of other authorities having jurisdiction. Arrange for a State Boiler Inspection and correct any deficiencies found thereby.

STEAM TRIM

The boilers shall be provided with a high limit pressuretrol, compound steam gauge, ASME approved safety valve, having a discharge capacity equal to or greater than the approved output of the boiler at the required discharge setting of 15 PSIG. The steam trim shall include the following:

1. High Limit Control - Honeywell PA404A Pressuretrol

2. Operating or Low Limit Control - Honeywell L404A Pressuretrol

3. Water Level Controls - McDonnell Miller No. 51-2 feeder and low water cut-off

4. Gage glass with tricocks

5. Pump Controller - McDonnell Miller 47 with auxiliary low water cut-off.

Cooling Tower Specifications

1. The cooling tower shall meet the capacity requirements shown on the drawings.

2. Piping configuration shall be as shown on the piping diagrams and will include new isolation valves. In addition, all existing valves serving the cooling tower in question shall be moved inside the building so that the valves and actuators are not exposed to the weather.

3. Quote shall include the total installed cost including all equipment, materials, tools, labor, controls, structural engineering, one-year warranty, electrical and all other costs to the government for the cooling tower.

4. Full submittal showing capacity, performance, efficiency CWS temperature, dimensions, and electrical requirements shall be included for each boiler offered.

Reheat Coil Specifications

1. A total of three separate reheat coil units are to be replaced with those meeting the same standards as the existing coils.

2. The copper coil units will be replaced with stainless steel units.

3. All piping and valves associated with the replaced reheat coils will be replaced.

SHOP DRAWINGS

A. Wherever shop drawings are called for in these specifications, they shall be furnished by the Contractor for the work involved after review by the Engineer as to the make and type of material and in sufficient time so that no delay or changes will be caused. This is done in order to facilitate progress on the job and failure on the part of the Contractor to comply shall render him liable to stand the expense of any and all delays, changes in construction, etc., occasioned by his failure to provide the necessary details. Also, if the Contractor fails to comply with this provision, the Engineer reserves the right to go directly to the manufacturer he selects and secure any details he might deem necessary and should here be any charges in connection with this, they shall be borne by the Contractor.

B. Shop drawings will be reviewed by the Engineer for general compliance with the design concept of the project and general compliance with the information given in the contract documents. Review by the Engineer and any action by the Engineer in marking shop drawings is subject to the requirements of the entire contract documents. Contractor will e held responsible for quantities, dimensions which shall be confirmed and correlated at the job site, fabrication processes and techniques of construction, coordination of all trades and the satisfactory performance of his work.

C. Shop drawings submitted shall not consist of manufacturers' catalogues or tear sheets therefrom that contain no indication of the exact item offered. Rather, the submission of individual items shall designate the exact item offered and shall clearly identify the item with the project.

D. All shop drawings shall be submitted at one time where possible. If hard copy is submitted, it shall consist of a bound catalogue of all shop drawings under each section. Electronic submittals are preferred. Include a cover letter from the contractor as the first sheet of the submittal, certifying that the submittal has been properly indexed and has been checked by the Contractor. Each item submitted shall include a cover letter by the material supplier, clearly indicating exact model numbers and details to be furnished for each item specified in the section.

E. The omissions of any material from the shop drawings which has been shown on the contract drawings or specified, even though reviewed by the Engineer, shall not relieve the Contractor from furnishing and erecting same.

PROTECTION OF APPARATUS

The Contractor must at all times take such precautions as may be necessary to properly protect his new apparatus from damage. This shall include the erection of all required temporary shelters to adequately protect any apparatus stored in the open on the site, the cribbing of any apparatus above the floor of the construction, and the covering of apparatus in the incompleted building with tarpaulins or other protective covering. Failure on the part of the Contractor to comply with the above to the entire satisfaction of the Engineer will be sufficient cause for the rejection of the pieces of apparatus in question.

PERMITS, FEES, ETC

The Contractor shall arrange for all utility services, including sewer, water, gas and electric services as applicable. If any charges are made by any of the utility companies due to the work on this project, the Contractor shall pay these charges, including charges for metering, connection, street cutting, etc. The Contractor shall pay for any inspection fees or other fees and charges required by ordinance, law, codes and these specifications.

TESTING

The Contractor under each division shall at his own expense perform the various tests as specified and required by the Engineer and as required by the State and local authorities. The Contractor shall furnish all fuel and materials necessary for making tests.

TERMINOLOGY

A. Whenever the words "furnish," "provide," "furnish and install," "provide and install," and/or similar phrases occur, it is the intent that the materials and equipment described be furnished, installed and connected under this Division of the Specifications, complete for operation unless specifically noted to the contrary.

B. Where a material is described in detail, listed by catalogue number or otherwise called for, it shall be the Contractor's responsibility to furnish and install the material.

C. The use of the word "shall" conveys a mandatory condition to the contract.

D. "This section" always refers to the section in which the statement occurs.

E. "The project" includes all work in progress during the construction period.

F. In describing the various items of equipment, in general, each item will be described singularly, even though there may be a multiplicity of identical or similar items.

COOPERATION AND CLEANING UP

A. The contractor for the work under each section of these specifications shall coordinate his work with the work described in all other sections of the specifications to the end that, as a whole, the job shall be a finished one of its kind, and shall carry on his work in such a manner that none of the work under any section of these specifications shall be handicapped, hindered or delayed at any time.

B. At all times during the progress of the work, the Contractor shall keep the premises clean and free of unnecessary materials and debris. The Contractor shall, on direction at any time from the Engineer, clear any designated areas or area of materials and debris. On completion of any portion of the work, the Contractor shall remove from the premises all tools and machinery and all debris occasioned by the work, leaving the premises free of all obstructions and hindrances.

COORDINATION OF TRADES

A. The Contractor shall be responsible for resolving all coordination required between trades. For example, items furnished which require electrical connections shall be coordinated for:

1. Voltage

2. Phase

3. Ampacity

4. No. and size of wires

5. Wiring diagrams

6. Starter size, details and location

7. Control devices and details

B. Items furnished under various sections which require plumbing connections shall be coordinated for services, pressure, size and location of connections, type of fuel, clearances for service, auxiliary devices required, etc.

C. Items requiring insulation shall be fully insulated and that insulation shall be checked against manufacturer's directions and job requirements for suitability, coverage, thickness and finish.

D. Items installed in/on finished ceilings shall be coordinated with the ceiling construction.

The Contractor under each section shall conform to the reflected ceiling plan and shall secure details and/or samples of the ceiling materials as necessary to insure compatibility. Any device not conforming to this requirement shall be replaced by the Contractor at his expense.

E. All items shall be installed tight, plumb, level, square and symmetrically placed in relation to the work of other trades.

CUTTING AND PATCHING

A. The Contractor for work specified under each section shall perform all structural and general construction modifications and cut all openings through either roof, walls, floors or ceilings required to install all work specified under that section or to repair any defects that appear up to the expiration of the guarantee. All of this cutting shall be done under the supervision of the Engineer and the Contractor shall exercise due diligence to avoid cutting openings larger than required or in wrong locations. Verify the scope of this work at the site and in cooperation with all other trades before quoting.

B. No cutting shall be done to any of the structural members that would tend to lessen their strength, unless specific permission is granted by the Engineer to do such cutting.

C. The Contractor for work under each section shall be responsible for the patching of all openings cut to install the work covered by that section and to repair the damage resulting from the failure of any part of the work installed hereunder.

D. Before quoting, the Contractor shall review and coordinate the cutting and patching required under the respective section with all trades.

E. In all spaces where new work is installed and no other alteration or refinishing work is shown or called for, existing floors, walls and ceilings shall be restored to match existing conditions. All cutting and patching shall be done by workmen skilled in the affected trade.

F. Where openings are cut through masonry walls, the Contractor under each respective section shall provide and install lintels or other structural supports to protect the remaining masonry and adequate support shall be provided during the cutting operation to prevent any damage to the masonry occasioned by the operation. All structural members, supports, etc. shall be of the size, shape, and installed as directed by the Engineer.

PAINTING

1. If the factory finish on any apparatus or equipment is marred, it shall be touched up and then given one coat of half-flat-half-enamel, followed by a coat of machinery enamel of a color to match the original. Paint factory primed surfaces.

2. Paint all exposed pipe, conduit, boxes, cabinets, hangers and supports, and miscellaneous metal.

3. Paint all exposed sheet metal.

4. Paint all insulated surfaces exposed to view, including piping, equipment, etc.

Surfaces until a smooth, non grainy surface is obtained.

5. Generally, painting is required on all surfaces such that no exposed bare metal or insulation surface is visible.

SEALING

The Contractor installing pipes, conduits, ducts, etc., shall seal all spaces between pipes and/or sleeves where they pierce walls, partitions or floors by packing fire resistant rope and fire-resistant cement. The packing shall effect a complete fire and/or air seal where pipes, conduits, ducts, etc., pierce walls, floors or partitions.

LARGE APPARATUS

Any large piece of apparatus which is to be installed in any space in the building, and which is too large to permit access through windows, doorways or shafts, shall be brought to the job by the Contractor involved and placed in the space before the enclosing structure is completed.

USE OF SYSTEMS

A. It is considered that it will be necessary to operate the mechanical systems to provide heating and ventilation in portions of the building that are enclosed. As systems or portions of systems become operable, they shall be operated as required to maintain habitable conditions in enclosed portions of the building that are still under construction and portions that are fully complete as may be required to properly protect installed piping, equipment and finishes.

B. In order to provide protection to ducts, plenums, etc., install temporary filters over or in return air openings until all finished painting is completed. Protect supply outlets, coils, etc. as necessary in each case.

C. Except for operation of cooling equipment to prove its performance and to adjust and balance the systems, that equipment will not be operated for comfort of construction workers.

D. During warm weather the Contractor shall arrange for the operation of systems to supply 100 percent outside air. The systems controls shall be reset to their normal cycle of operation in each case during the times that heating is required and when the cooling equipment is operated.

E. Immediately prior to the time that the systems are to be accepted by the Owner, each system shall be carefully examined and if ductwork is dirty, it shall be carefully cleaned by men skilled in that type of work. All filters shall be put in first class condition by replacement of filters and/or other procedures as directed.

F. The use of the equipment for maintaining environmental and/or protective temperature conditions shall in no way constitute acceptance of that equipment and the connected piping, ducts, insulation, finishes, etc. by the Owner. Furthermore, it shall in no way shorten the guarantee period hereinafter specified. The Contractor shall either secure extended warranties from the vendors of equipment or shall purchase insurance to provide proper coverage on the equipment through the guarantee period and shall file with the Engineer substantiating affidavits from equipment manufacturers or a copy of the insurance policy covering the equipment through the guarantee period. The personal underwriting of the Contractor for equipment manufacturers' warranties is not acceptable, but his personal underwriting of piping, ductwork, insulation and associated materials is acceptable subject to the provisions of the contract.

G. The Contractor shall provide such labor as may be required in the operation of the systems and shall pay all costs.

OWNER OCCUPANCY

A. It shall be understood that the building in which the work is to be done is a necessary part of the Owner's operation and shall continue in use throughout the construction period without interruption. Take all precautions required by the Owner for the protection of his equipment and property.

B. Contractor shall cooperate with the owner in scheduling areas in which work is permitted. Owner’s schedule will govern.

SCHEDULE OF WORK

The Contractor shall program his work in such manner as to interfere as little as possible with the normal routine of the Owner. It must be understood that the Owner will continue to function throughout the construction period. All water, electrical and sanitary facilities shall therefore be continued in operation with a minimum of interruption and the Contractor shall make any temporary connections necessary to comply with this requirement.

WORKING TIME

Where new connections are to be made into existing lines, present lines must be relocated or rerouted, present equipment items relocated or other work accomplished that would affect the operation of the present building, the work shall be carried on at such times as to cause a minimum of interference with the normal operation of that building. In certain cases the work may be accomplished during normal working hours during certain designated seasons or times of the year. In other cases the work may have to be executed during times of the day outside of the normal working period, on holidays, etc. Each individual case presents a separate decision as to the time during which it shall be performed. The Contractor involved shall present each case to the Engineer for his decision, which will be made after due consultation with the Owner. No additional compensation for overtime will be granted for compliance with these requirements.

RELOCATION OF EXISTING INSTALLATION

A. There are portions of the existing plumbing system, heating, ventilating and air conditioning system and electrical System which shall remain in use to serve the finished building in conjunction with the indicated new installations. By actual examination at the site, each bidder shall determine those portions of the remaining present installations which must be relocated to avoid interferences with the installations of new work of his particular trade and that of all other trades. All such existing installations which interfere with new installations shall be relocated by the Contractor in which the existing material normally belongs, and in a manner as directed by the Engineer. For example:

1. Existing Plumbing piping, etc., shall be relocated where it interferes with the installation of new work.

2. Relocate existing piping, ductwork, etc., where it interferes with the installation of new work.

3. Relocate existing conduit and electrical equipment where it interferes with the installation of new work.

B. Failure to become familiar with the extent of the relocation work involved shall not relieve the Contractor of responsibility and shall not be used as a basis for additional compensation.

SALVAGE MATERIALS

A. The Contractor shall remove existing equipment, piping, duct, grilles, conduit, wire, junction boxes, light fixtures and other items associated with the mechanical, plumbing and electrical systems where shown on the drawings. Where such items are exposed to view or uncovered by any cutting or removal of general construction and has no continuing function (as determined by the Engineer), they shall be removed by the contractor under the section in which the item normally falls.

B. Existing items (see above) where concealed in/above construction which is not disturbed, abandon in place. Plug, cap, disconnect or otherwise render harmless all such items.

C. All items or materials removed from the project shall be made available for the Owner's inspection. The Owner retains the option to claim any item or material. Contractor shall deliver any claimed item or material in good condition to the place designated by the Owner. All item not claimed become the property of the contractor and shall be removed from the site.

SLEEVE DRAWINGS

The Contractor shall, before concrete is poured, prepare 1/8-inch scale floor plan drawings on tracing paper and shall show on these drawings, with dimension lines, the size and location of every pipe sleeve required for the passage of his lines. Prints shall be reviewed by the Engineer prior to the setting of the pipe sleeves.

INSTALLATION DRAWINGS

A. It shall be incumbent upon the Contractor to prepare special drawings as called for elsewhere herein or as directed by the Engineer to coordinate the work under each section, to illustrate changes in his work, to facilitate its concealment in finished spaces to avoid obstructions or to illustrate the adaptability of any item of equipment which he proposes to use.

B. These drawings shall be used in the field for the actual installation of the work. Unless otherwise directed, they shall not be submitted for approval but three copies shall be provided to the Engineer for his information.

ROUGH-IN AND MAKE FINAL CONNECTION FOR EQUIPMENT

A. The shop drawings for all equipment are hereby made a part of these specifications. The Contractor under each section of the specifications shall rough-in for the exact item to be furnished on the job, whether in another section of the specifications or by the Owner. The Contractor shall refer to all drawings and other sections of the specifications for the scope of work involved for the new equipment, and by actual site examination determine the scope of the required equipment connections for the Owner furnished equipment.

B. Should any of the equipment furnished require connections of a nature different from that shown on the drawings, report the matter to the Engineer and finally connect as directed by the Engineer.

C. Should any shop drawings not be available for equipment furnished under other contracts or by the Owner, the Contractor under each section of these specifications shall bid the work as detailed on the drawings.

D. Minor differences in the equipment furnished and that indicated on the drawings will not constitute ground for additional payment to the Contractor.

MARKING OF PIPE

A. The Contractor shall mark all accessible piping systems. The identification of a piping system shall be made by a positive identification of the material content of the system by lettered legend, giving the name of the content in full or abbreviated form. This mark shall be conspicuously placed at frequent intervals on straight runs, close to all valves, at changes of direction and where pipes pass through walls, floors or ceilings. Arrows shall be used to indicate direction of flow. Markers shall be painted on using stencils.

B. Markers shall be placed on piping at each connection to an item of equipment, at each pump, and on each drop to an outlet. Markers shall be placed on each run of piping at intervals not exceeding 50 feet where exposed in a room and 25 feet when installed above removable ceilings, except that no exposed line shall enter a room without being identified therein. Marker on lines above removable ceilings shall be applied on the undersides of the lines and in other areas shall be applied to be most visible. Also supply directional flow indicators adjacent to identification markers.

C. Size of Identification:

Outside Diameter Size of Legend of Pipe or Covering Letters (Inch Height) 3/4 to 1-1/4 1/2 1-1/2 to 2 3/4 2-1/2 to 6 1-1/4

IDENTIFICATION AND LABELING

A. The Contractor shall make it possible for the personnel operating and maintaining the equipment and systems in this project to readily identify the various pieces of equipment, valves, piping, etc., by marking them. All items of equipment such as fans, pumps, etc., shall be clearly marked using engraved nameplates as hereinafter specified. The item of equipment shall indicate the same number as shown on the drawings. For example, pumps will be identified as P-1, P-2, P-3, etc.; exhaust fans will be EF-1, EF-2, etc.; AC Units will be AC-1, AC-2, etc.

B. All items of mechanical and electrical equipment shall be identified by the attachment of engraved nameplates constructed from laminated phenolic plastic, at least 1/16-inch thick, 3-ply, with black surfaces and white core. Engraving shall be condensed gothic, at least ½- inch high, appropriately spaced. Nomenclature on the label shall include the name of the item, its mark number, area, space, or equipment served, and other pertinent information. Equipment to be labeled shall include but not be limited to the following:

1. Boilers

2. Chillers

3. Pumps

4. AC Units

5. Convertors

6. Air Conditioning Control Panels and Switches

7. Exhaust and Return Air Fans

8. Miscellaneous - similar and/or related items

OPERATING INSTRUCTIONS

The Contractor for each section of the work hereunder shall, in cooperation with the representatives of the manufacturers of the various equipment items, carefully instruct the Owner's representatives in the proper operation of each item of equipment and of each system. During the balancing and adjusting of systems, the Owner's representative shall be made familiar with all procedures.

OPERATING MANUALS

A. Prepare and submit three copies of the operating manuals bound in hard covers. Three weeks prior to completion of the work, the Engineer will check the manuals and any additional material necessary to complete the manuals shall be furnished and inserted by the Contractor.

B. Manuals shall contain the following data:

1. Catalogue data of all equipment.

2. Shop drawings of all equipment.

3. Temperature control drawings (reduced in size)

4. Start-up instructions for major equipment.

5. Trouble shooting procedures for major equipment.

6. Wiring diagrams.

7. Recommended maintenance schedule for equipment.

8. Parts list for all items.

9. Name and address of each vendor.

GUARANTEE

Unless a longer period is specified elsewhere, the contractor shall guarantee all workmanship and materials for a period of one year from date of final acceptance.

COMPLETION REQUIREMENTS

Before acceptance and final payment the Contractor shall furnish:

1. Accurate "as built" drawings, shown in red ink on blue line prints furnished for that purpose all changes from the original plans made during installation of the work.

Drawings shall be filed with the Engineer when the work is completed.

2. All manufacturers' guarantees.

3. All operating manuals.

4. Guarantees.

5. Test and Balance Report.

CONTRACTOR'S RESPONSIBILITY FOR FINAL INSPECTION

Before calling for the final inspection, the Contractor under each Division shall carefully inspect his work to be sure it is complete and according to plans and specifications.