Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
Table of Contents
1. Scope ........................................................................................................................................................ 1
2. Structural Steel .......................................................................................................................................... 1
3. Structural Welding ..................................................................................................................................... 1
4. Buildings .................................................................................................................................................... 1
5. Prefabricated Buildings ............................................................................................................................. 2
6. Carpentry (General Purpose / Unclassified Buildings) ............................................................................. 2
7. Plumbing and Drain Lines ......................................................................................................................... 4
8. Insulation ................................................................................................................................................... 5
9. Ceiling and Wall Finishing (General Purpose / Unclassified Buildings) .................................................... 6
10. Floor Covering ......................................................................................................................................... 8
11. Heating, Ventilation, and Air-Conditioning (HVAC) ................................................................................. 9
1. Scope
This document defines the Company’s requirements for Structural Steel and Building Work
including, but not limited to: Structural Steel and Welding, Buildings, Carpentry, Plumbing,
Insulation, Interior Finish, and HVAC considerations.
2. Structural Steel
2.1. All pipe clamps, guides, anchor bolts, and trench angles shall be fabricated as shown and
specified on Construction Drawings. Contractor shall provide labor, materials,
equipment, and supervision to fabricate such items if Company does not supply these
items (prefabricated) as specified in the Scope of Work.
2.2. Contractor shall also fabricate any structural steel support, bracket, platform, stairs, or
other related item not supplied by Company as specified on Construction Drawings.
Contractor shall erect and/or install all Company-supplied prefabricated structural steel
specified for in the Scope of Work and on Construction Drawings.
2.3. Contractor shall provide, maintain, and inspect fall protection equipment for each
employee, where required, in conformance with OSHA 1926 Subpart M.
3. Structural Welding
3.1. Only welders who have passed a Company-approved welding test shall perform
structural welding. All structural welding, including all shop fabrications, shall conform to
AWS D1.1 - American Welding Society, Structural Welding Code – Steel (most recent
edition).
3.2. Welding shall not be conducted when the Company Representative determines that
adverse weather conditions pre-empt welding activity.
3.3. All welding surfaces shall be cleaned before welding. Any rust or scale on factory or field
cut bevels shall be removed by machine buffing or sanding. Dirt, grease, or other foreign
matter shall be removed by Company-approved methods. After welds are completed, all
welding spatter shall be removed.
4. Buildings
4.1. Unless otherwise specified in the Scope of Work or Construction Drawings, Contractor
shall provide all labor, materials, equipment, and supervision necessary to:
Completely fabricate and erect building steel.
Install all hoists, siding, louvers, doors, sashes, glazing, hardware, and insulation.
4.2. All buildings and related material shall be designed by a Company-approved Building
Supplier to comply with Company specifications.
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
4.3. Contractor is responsible for the complete construction of all phases of the building as
indicated in the Construction Drawings unless otherwise specified in the Scope of Work.
The Company has the right to inspect building at any time and to require building provider
or Contractor to correct any design or construction deficiencies.
4.4. Contractor shall cut required openings through the building wall, as approved by
Company Representative and specified by Construction Drawings, where projections
extend through siding and insulation. Openings shall not be flame-cut. Building
Contractor shall supply and install flashing around openings as required by Company
Representative. Whenever such cuts are made, Contractor shall provide bracing of
siding material as required by Company Representative.
4.5. When welding is used around doorframes, building framing, etc., all welding spatter shall
be removed. Welding on structural parts shall be permitted only as approved by the
Company Representative.
4.6. An approved firewall shall be installed between office areas and warehouse and/or shop
areas as shown on the Construction Drawings.
4.7. Concrete floors inside building shall be protected during construction activities. Plywood
(1/2-inch minimum) shall be supplied and installed by Contractor.
4.8. If building is to be erected by a Building Contractor, Building Contractor is responsible for
coordinating said activities with General Contractor (to avoid schedule conflicts).
5. Prefabricated Buildings
5.1. When included in Scope of Work, Contractor shall construct foundations for all
prefabricated buildings in conformance with Construction Drawings and Construction
Standard C1180 - Concrete and Foundation Work.
5.2. When included in Scope of Work, Contractor shall install prefabricated buildings onto
foundations in conformance with Construction Drawings.
5.3. Contractor shall cut access holes in the building where pipe or other appurtenances
penetrate the building (as described in Sub-section 4 – Buildings, paragraph 4.4 (above)).
5.4. Contractor shall install all building supports and hangers necessary for structural support
of pipe or other appurtenances as specified on the Construction Drawings.
5.5. When welding is used in the building around doorframes, building framing, etc., all
welding spatter shall be removed. Welding on structural parts shall be allowed only when
pre-approved by the Company Representative.
6. Carpentry (General Purpose / Unclassified Buildings)
6.1. For rough carpentry, Contractor shall follow the following requirements:
6.1.1. When receiving parts of the work specified herein, Contractor shall examine all
surfaces and verify all dimensions of in-place and subsequent construction. Applying
or installing materials constitutes acceptance of existing conditions.
6.1.2. Buildings shall be framed to close fit, set accurately to specified lines and levels, and
secured rigidly in place.
6.1.3. Contractor shall provide wood grounds and blocking for size and shape required to
secure wood trim and other work or equipment in place. Grounds shall be set true to
line, level, or plumb, and secured in place. Wood blocking or nailers on steel framing
shall be bolted, capped, and wired in steel stud partitions as specified on the
Construction Drawings.
6.1.4. Contractor shall provide wood furring of size and shape specified for the work. Furring
strips shall be erected vertically or horizontally (as specified) and securely fastened
(at points not to exceed 3-foot centers) by toggle/expansion bolts or other Company-
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
approved devices. Wood plugs shall not be used. Contractor shall install furring
plumb and level, and shim out as required.
6.1.5. Nailing strips shall be set carefully to straight and level plumb lines. Nailing strips shall
be fastened securely with hardened nails, toggle bolts, or to metal plugs or
corrugated inserts built into masonry. Wood plugs shall not be built into concrete or a
joint in masonry. Unless otherwise specified on the Construction Drawings, grounds
shall be 1-1/2-inches by 7/8-inch.
6.1.6. Studs shall be positioned vertically and fastened to runners, spaced no greater than
16-inches on centers. All anchor studs shall be located adjacent to door and window
frames, partitioned intersections, and corners to runner flanges by positive screw
engagement through each stud flange and runner flange.
6.1.7. Studs shall be located no more than 2-inches from all doorframe jambs, abutting
partitions, partition corners, and/or other construction. Studs shall be securely
anchored to the jamb and head anchor clips of each door or anchored to a borrowed
light frame by bolt or screw attachment.
6.1.8. Over metal door and borrowed light frames, a cut-to-length section of runner track with
a web-flange bend at each end shall be placed horizontally and securely screw-
attached to adjacent vertical studs. A cut-to-length stud shall be positioned at the
location of vertical joints over doorframe’s header extending to ceiling runner.
6.1.9. All studs shall be construction grade #2 or better, yellow pine, Douglas fir, or equivalent
construction grade (20 gauge or better) metal studs, as required by applicable codes.
6.2. For gypsum wallboard, Contractor shall follow the following requirements:
6.2.1. Gypsum wallboard shall be applied with long dimension (at right angles) to framing
members. All abutting ends and edges shall occur over stud flanges. Wallboard of
the maximum practical length shall be used to minimize end joints. All end joints
shall be neatly fitted and staggered. Joints on opposite sides of partition shall be
arranged to occur on different studs. Wallboard shall be fastened using screws
placed no more than 8-inches apart.
6.2.2. All joints, screw heads, and other depressions in wallboard surface shall be treated as
recommended by the Manufacturer of a ‘Perf-A-Tape’ Joint System or a Company-
approved equivalent.
6.2.3. All internal and external angles formed by the intersection of wallboard or other
surfaces shall be treated with metal trim, ‘Perf-A-Tape’ Joint System, or a Company-
approved equivalent.
6.2.4. All vertical or horizontal external corners shall have ‘Perf-A-Bead’ or ‘Dur-A-Bead’
corner reinforcement applied in conformance with Manufacturer's recommendations.
6.3. For finish carpentry, Contractor shall follow the following requirements:
6.3.1. All surfaces that are to receive parts of the work specified herein shall be inspected.
All dimensions of in-place and subsequent construction shall be verified. Applying or
installing materials constitutes acceptance of existing conditions.
6.3.2. Contractor shall install wood trim plumb, level, and to lines shown on Construction
Drawings. Contractor shall miter all exposed corners. All pieces of wood trim shall
be nailed securely in place, with all nail heads set and filled below the wood surface.
In Compressor stations, color-coordinated nails shall be used on wood trim.
6.3.3. Wood doors shall be cut for hardware. Final adjustments required for proper door
operation shall be made before approval by the Company Representative. Doors
shall be hung with specified hardware and approved by the Company
Representative. Clearances at jambs and heads shall not exceed 1/8-inch.
Clearances at bottom shall not exceed 3/8-inch except to clear thresholds or where
undercut.
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
6.4. For finish hardware, Contractor shall follow the following requirements:
6.4.1. Finish hardware shall be installed according to Manufacturer’s recommendations. Lock
and latch sets shall be fitted for their respective doors. On doors to be finished at job
site, locks and latches shall be removed until doors are finished, whereupon
hardware shall be reinstalled.
6.4.2. Upon work completion, hardware shall be adjusted and lubricated. Contractor shall
train Company Representative (or persons designated by the Company
Representative) on hardware adjustment and maintenance.
6.4.3. All key locks shall be keyed alike unless otherwise specified by Company
Representative.
6.5. For cabinets/millwork in stations, Contractor shall follow the following requirements:
6.5.1. Contractor shall provide and install mill-made modular units with solid hardwood face
frames, door frames, drawer fronts, and veneer on raised door panels (front and
back). All cabinet joints shall be constructed using glued mortise, dowel, or dado
joint construction. All cabinets shall have full backs (1/8-inch vinyl-laminated
plywood), vinyl-laminated cabinet interiors, and vinyl-laminated composition drawer
bodies with nylon and metal guides. This includes self-closing hinges, door and
drawer pulls, mounting hardware, and adjustable shelves.
6.5.2. Counter tops shall be constructed of 3/4-inch plywood or particleboard, covered with a
plastic laminate, and a 4-inch splash back. The Company Representative shall
approve laminate color.
7. Plumbing and Drain Lines
7.1. Plumbing installation shall conform to local and/or other applicable codes. All system
material shall be as specified on Construction Drawings. All systems shall be tested in
conformance with Construction Drawings.
7.2. All hot and cold-water fixtures shall have shut-off valves at each supply line connection.
Supply lines to each fixture shall be equipped with air chambers (not less than 18-inches
long) to prevent water hammer. Unions shall be installed at locations to permit servicing
or replacement. Piping shall be supported in conformance with applicable codes.
7.3. Unless otherwise specified on the Construction Drawings or approved by the Company
Representative, all buried drain lines with nominal pipe sizes of 2-inches and larger shall
be joined by butt-welding only. Buried drain lines with nominal pipe sizes less than 2-
inches shall consist of steel piping joined by butt welds or socket welds. Threaded
connections may only be used above grade.
7.4. Drains shall be vented to prevent siphoning through traps. Drains shall have clean outs
as specified on Construction Drawings or as approved by the Company Representative.
All horizontal runs of non-pressurized drain piping shall have a uniform grade of not less
than 1/8-inch per foot in the direction of flow unless specified otherwise on Construction
Drawings or by the Company Representative. Slope shall be uniform (to avoid
accumulation of any liquid in the line).
7.5. All changes in direction for non-pressurized drains shall be gradual. Abrupt turns in
piping shall be avoided. Wherever possible, 45 fittings shall be used. All vents shall be
carried a minimum of one foot above the roof and shall be flashed with flashing approved
by the Company Representative. All fixtures shall be separately trapped (to prevent the
return of sewer gases).
7.6. All pressurized drain piping shall be provided with a high point vent and low point drain
connection. All vents and drains shall have high-pressure plugs unless Company-
approved valves are used. Vent and drain connections shall be a minimum of 3/4-inch
NPT unless otherwise specified on Construction Drawings.
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
7.7. Unless otherwise specified, vent lines shall be piped above building eaves. Under no
conditions shall high-pressure vents be less than 7 feet above work level.
7.8. Drain piping and associated tanks, etc. in the plant yard shall be located to avoid risk of
possible contamination of drinkable water sources.
8. Insulation
8.1. General Requirements
8.1.1. Contractor shall provide all material, equipment, tools, labor, and supervision
necessary to complete work.
8.1.2. All insulation shall be installed in conformance with all applicable codes and Company
standards.
8.1.3. Before any insulation is applied, all piping systems shall be tested in conformance with
Construction Drawings.
8.1.4. Equipment, steel work, and piping systems shall be:
Thoroughly cleaned to remove all foreign material (dirt, rust, etc.).
Dried.
Primed before applying insulation.
8.1.5. Insulation shall conform to requirements of description and minimum thickness as
specified on Construction Drawings.
8.2. Piping insulation shall be fiberglass designed for operating temperatures from -60 F to
+850 F. The fiberglass system shall consist of:
Insulation: ‘Fiberglass’ of the thickness specified on Construction Drawings.
Fasteners: incorporated two-component adhesive system for both longitudinal and
butt seams (staples are not necessary). Contractor shall use the Manufacturer’s
adhesive system unless Company Representative pre-approves the use of staples as
an alternative system.
Weatherproofing: 0.016-inch alloy embossed aluminum sheets (for outdoor
applications only).
Fasteners: Stainless steel tap screws for aluminum weatherproofing.
8.3. Contractor shall comply with the following specific requirements:
8.3.1. Before any insulation is applied, hot water piping shall be tested to pressures specified
on the Construction Drawings or as required by the Company Representative.
8.3.2. Insulation shall be opened by pulling release strip from between the two adhesive
strips. After carefully placing and aligning insulation on pipe, the two adhesive strips
shall be rubbed firmly together (to effectively seal insulation).
8.3.3. Butt joints shall be sealed by removing backing paper from butt strip, centering it over
the joint starting with the ‘kiss-cut’ end, wrapping strip around insulation, and rubbing
firmly with hands (to complete the circumferential seal).
8.3.4. If additional holding power is required, and if pre-approved by the Company
Representative, seams may be stapled using 9/16-inch coated staples 2-inches
apart. Staple gun shall have a flaring attachment for increased staple holding power.
8.3.5. Fittings shall be insulated by segmenting insulation to conform to fitting and shall be
covered with tape or substitute covering approved by Company Representative.
8.3.6. Weatherproofing aluminum sheets shall be applied with a minimum of 3-inch overlap to
straight pipe, fastened snugly using stainless steel screws on 4-inch centers.
8.3.7. Fittings shall be covered with pre-formed aluminum insulation jacketing. All joints shall
shed water and be fastened snugly using stainless steel screws on 4-inch centers.
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
8.3.8. All hot water piping indicated on the drawings shall be insulated in conformance with
this standard and/or as shown on the Construction Drawings.
8.3.9. All exterior insulation surfaces shall be covered with 0.020-inch 3003-1114 alloy
aluminum sheets, fastened with stainless steel tap screws placed on 4-inch centers
unless otherwise specified on Construction Drawings or within this standard.
8.4. Insulating material on hot water systems shall fiberglass suitable for temperatures to 400
F. All other materials used in covering shall be pre-approved by the Company
Representative. Contractor shall follow these installation requirements:
8.4.1. Insulating material shall be in sectional or segmental form for application to pipes.
8.4.2. Insulation shall be applied with joints butted together and secured in place with not less
than three separate, equally spaced loops of 16 gauge iron wire per section of
material.
8.4.3. The minimum insulation thickness shall be as specified on the Construction Drawings.
8.4.4. All fittings 4-inches and larger shall be insulated with mitered pipe insulation segments
equal in thickness to insulation on adjoining pipe.
8.4.5. All fittings 3-inches and smaller may be insulated with insulating cement of equal
thickness and rating.
8.5. For facility insulation, Contractor shall follow the following requirements:
8.5.1. Engine exhaust piping and hot water piping indicated on the Construction Drawings
shall be insulated in conformance with this standard and/or as specified on
Construction Drawings.
8.5.2. All exterior insulation surfaces shall be covered with 0.020-inch 3003-1114 alloy
aluminum sheets, fastened with stainless steel tap screws placed on 4-inch centers
unless otherwise specified on Construction Drawings or within this standard.
8.5.3. Contractor shall supply all labor and material necessary to completely insulate facility
as specified on Construction Drawings and in conformance with this standard,
including:
Wall Partition insulation: minimum R-11 Rating.
Ceiling Partition insulation: minimum R-19 Rating.
Boiler Intake Duct insulation: Rigid Fiberglass type, 1-1/2-inches thick with
aluminum foil facing applied with adhesive and mechanical fasteners.
Engine Exhaust insulation shall be rated for temperatures to 1200 F.
All other insulating/covering materials shall be pre-approved by the Company
Representative.
8.5.4. Insulating material shall be in sectional or segmental form for application to pipes.
8.5.5. Insulation shall be applied with joints butted together and secured in place with not less
than three separate, equally spaced loops of 16 gauge iron wire per section of
material.
8.5.6. All fittings 4-inches and larger shall be insulated with mitered pipe insulation segments
equal in thickness to insulation on adjoining pipe.
8.5.7. All fittings 3-inches and smaller may be insulated with insulating cement of equal
thickness and rating.
9. Ceiling and Wall Finishing (General Purpose / Unclassified Buildings)
9.1. The interior walls and ceilings shall be of wood framing or 25 gauge galvanized steel
studs and plaster board construction as on Construction Drawings and in conformance
with this standard. The interior walls and ceiling shall be finished and insulated as
specified on the Construction Drawings or as described within this standard.
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
9.2. Company may specify 1/2-inch BC grade plywood covering in areas requiring
reinforcement for wall boxes or controls.
9.3. Where specified, tiled ceilings shall be acoustical tile backed with 5/8-inch thick recessed
edged sheetrock (gypsum board). Ceiling tile shall be installed in conformance with
Manufacturer's recommendations. Ceiling tile shall be good bond, fissured, needle-
perforated, washable, noncombustible, and measure 2 feet by 4 feet by 1/2-inch thick
unless otherwise specified on Construction Drawings.
9.4. Ceiling tile shall be attached to plasterboard using an adhesive recommended by the tile
Manufacturer. Tiles shall be cut and/or trimmed to fit items projecting through the ceiling
or at abutting surfaces. Soiled or damaged tiles shall not be installed.
9.5. Gypsum board shall be installed in conformance with Manufacturer's recommendations.
All exposed joints in gypsum board shall be taped and floated in a workmanlike manner.
All nails shall be countersunk and filled.
9.6. Interior wood trim shall be Standard #1 clear grade. Before installation, trim shall be
sanded as required by the Company Representative. Sanding shall be achieved in
gradual steps from rough-grit to fine-grit, with 220-grit paper as the final step. Contractor
shall install trim using finishing nails or screws with countersunk and filled holes. Wood
trim shall be stained to match adjacent paneling.
9.7. Vinyl-clad wood trim shall be cut and fitted in a workmanlike manner as required by the
Company Representative. Vinyl-clad wood trim shall be installed using color-coordinated
nails.
9.8. Contractor shall apply a minimum of 2 or more coats of polyurethane finish as required to
achieve a uniform application. All finishes shall be evenly and smoothly applied in a
workmanlike manner as required by the Company Representative. All finishes shall be
free from runs, sags, or flaws of any kind. Contractor shall lightly sand polyurethane
surface between coats, ensuring that sanding does not remove entire finish. Contractor
shall provide all finishing materials, including stains, polyurethane, sandpaper, and
thinning fluids, etc.
9.9. Contractor shall provide and install wall paneling of the size, thickness, and type specified
on Construction Drawings. Paneling shall be applied in conformance with Manufacturer's
recommendations. Paneling wall fasteners shall be color-matched to paneling surface.
Paneling shall be plumbed with all edges terminating over a stud. Paneling shall be cut
and/or trimmed to fit items projecting through the wall or at abutting surfaces. Soiled or
damaged paneling shall not be installed.
9.10. Ceramic wall tile shall be installed as follows:
9.10.1. Contractor shall provide and install ceramic wall tile of the size, thickness, and type
specified on Construction Drawings. Trim and accessories shall match tile provided.
Ceramic tile shall be provided and installed in conformance with the Tile Council of
America Specification 137.1 and CTI A108.1 - Specification for the Installation of
Ceramic Tile.
9.10.2. A minimum temperature of 50 F shall be maintained during, and for seven days after,
installation of ceramic tile.
9.10.3. Ceramic tile shall be cut and/or trimmed to fit items projecting through the wall or at
abutting surfaces.
9.10.4. Ceramic tile shall be grouted with a white, waterproof, Type 1 Portland Cement in
conformance with ASTM C-150 (most recent edition).
9.10.5. After installation, ceramic tile shall be cleaned and sealed in conformance with
Manufacturer’s recommendations.
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
9.11. Contractor shall provide Company Representative with all Manufacturers’ literature
regarding care and cleaning of ceiling tile, wall paneling, vinyl-clad wood trim, and
molding and/or ceramic wall tile provided and installed by Contractor.
10. Floor Covering
10.1. Contractor shall inspect all floor surfaces requiring installation of tile (vinyl, no-wax,
quarry, and ceramic mosaic). Contractor shall notify the Company Representative of any
floor defects discovered during said inspection. Contractor shall not proceed with work
until such defects are corrected. Beginning installation work in a room or space shall
constitute acceptance of the condition of surfaces receiving tile in that room or space.
10.2. Flooring work shall not begin until all items that will penetrate flooring have been
installed. Before installation of flooring, Contractor will:
Fill all floor cracks and holes.
Level depressions with underlayment compounds.
Determine and ensure that chemical treatments of existing substrates are compatible
with the application of planned/approved flooring materials.
Spaces in which flooring is to be installed shall be closed to traffic or other work.
10.3. When solvent-based flooring adhesives are used, the workspace shall be ventilated.
Contractor shall use spark-proof fans where natural ventilation is inadequate. Smoking is
prohibited in these work areas.
10.4. Contractor shall install vinyl and/or no-wax flooring as follows:
10.4.1. Contractor shall provide and install floor tile of the size, thickness, and type specified
on Construction Drawings. Contractor shall provide all required adhesive and
cleaning materials.
10.4.2. Vinyl and tile adhesives shall be mixed and applied in conformance with
Manufacturer’s recommendations. The work surface shall be evenly covered with
adhesive, while not exceeding the Manufacturer’s recommended maximum working
area. Installation of the flooring shall be completed within the working time limits
recommended by the adhesive Manufacturer.
10.4.3. If flooring adhesives film over or dry before work is completed, said adhesive shall be
removed and new adhesive applied. Flooring sections shall placed so that fields or
patterns are centered within flooring area. Contractor shall adjust the flooring pattern
to ensure that edge pieces are no smaller than half the size of a full tile/section. All
floor coverings shall be installed true to line, level, and with tight joints.
10.4.4. Contractor shall cut flooring to and around all permanent cabinets and bases. Roll-
stock-type flooring shall be installed by un-rolling (to ensure uniform contact and full
adhesion to substrate). Where baseboard is omitted, Contractor shall scribe flooring
to walls.
10.4.5. Excess adhesives shall be removed in conformance with flooring Manufacturer's
recommendations.
10.4.6. Bases shall be firmly adhered to walls and permanent bases. Contractor shall use
longest practical lengths. Pre-formed units shall be used for internal and external
corners and end stops. Corners may be hand-formed if forming method is
demonstrated to, and subsequently approved by, the Company Representative.
Mitered corners shall not be used.
10.4.7. Bases shall be scribed accurately to abutting surfaces. Contractor shall install edge
stripping at termination of tile flooring where substrate is exposed and extends
beyond tile.
10.4.8. A minimum temperature of 55 F shall be maintained during, and for two days
following, installation of tile.
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
10.4.9. At least four days after the installation of flooring, flooring and base shall be cleaned.
Floors shall be washed according to, and with cleaning fluid/material recommended
by, the flooring Manufacturer.
10.5. Ceramic floor tile shall be installed as follows:
10.5.1. Contractor shall provide and install ceramic floor tile that is thin set, abrasive, non-slip,
and of the size and thickness specified on Construction Drawings and in
conformance with ANSI A137.1 - Ceramic Tile. Trim and accessories shall match tile
provided.
10.5.2. Ceramic tiles shall be installed on dimensionally stable concrete sub-floor.
10.5.3. A minimum temperature of 50 F shall be maintained during, and for seven days after,
installation of ceramic tile.
10.5.4. Ceramic tile shall be cut and/or trimmed to fit items projecting through the floor or at
abutting surfaces.
10.5.5. Ceramic tile shall be grouted with a color-matching, waterproof, Type 1 Portland
Cement in conformance with ASTM C-150 (most recent edition).
10.5.6. After installation is completed, ceramic tile shall be thoroughly cleaned and sealed in
conformance with Manufacturer’s recommendations.
10.6. Quarry floor tile shall be installed as follows:
10.6.1. Contractor shall provide and install quarry floor tile of the size, thickness, and type
specified on Construction Drawings. Trim and accessories shall match tile provided.
10.6.2. Quarry tiles shall be installed on dimensionally stable concrete sub-floor.
10.6.3. A minimum temperature of 50 F shall be maintained during, and for seven days after,
installation of tile.
10.6.4. Quarry tiles shall be cut and/or trimmed to fit items projecting through the floor or at
abutting surfaces.
10.6.5. Quarry tile shall be grouted with a color-matching, waterproof, Type 1 Portland
Cement in conformance with ASTM C-150 (most recent edition).
10.6.6. After installation is completed, quarry tile shall be thoroughly cleaned.
10.7. Contractor shall provide Company Representative with all Manufacturers’ literature
regarding care and cleaning of all flooring tiles (vinyl, no-wax, quarry, and ceramic
mosaic tiles) provided and installed by Contractor.
11. Heating, Ventilation, and Air-Conditioning (HVAC)
11.1. HVAC systems shall be installed in conformance with good practices as established by
the American Society of Heating, Refrigerating, and Air-conditioning Engineers, Inc.
(ASHRAE) and Scope of Work. In conformance with the Scope of Work, the HVAC
Contractor shall submit a preliminary duct layout and equipment specification (for
proposed heating and air-conditioning systems) to Company Representative for review
and approval.
11.2. Equipment HVAC Contractor shall be licensed to perform work at locations required.
11.3. HVAC Contractor shall investigate the building and all other pertinent factors of project as
necessary to establish a comprehensive knowledge of the project HVAC requirements.
Contractor shall confirm approximate minimum heating, ventilation, and air-conditioning
requirements. HVAC Contractor shall submit heating and cooling parameters (used to
size equipment) to the Company Representative for review and approval.
11.4. HVAC Contractor shall design, provide, fabricate, and install ductwork. Ductwork design
shall result in a system that delivers conditioned (heated or cooled) air to required areas
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Section: C1190
Title: Structural Steel and Building Work
CONSTRUCTION STANDARDS Revised: 7-1-2005
evenly, directly, quietly, and economically. Ductwork shall be routed to maximize the
useful floor space in the loft area. Routing of ductwork in ceiling joists is encouraged.
11.5. HVAC Contractor shall provide and install all electrical materials and work required for
installing HVAC systems, including conduit, wire, circuit breakers and disconnects. All
electrical work shall be installed in conformance with National Electrical Code (NEC) and
local code requirements.
11.6. All branch connections for fuel gas shall be taken from the top or the sides of horizontal
lines (not from the bottom). Dirt legs, consisting of a tee with the bottom outlet plugged,
shall be used at each unit.
11.7. HVAC Contractor shall provide and install all piping materials and work required for
installing HVAC, which may include:
Fuel gas pipe
Refrigerant piping
Water and drain piping for humidifiers and conditioning
11.8. Piping systems shall be tested as specified on Construction Drawings. All piping work
shall be installed in conformance with all applicable codes.
11.9. Refrigerant suction line (cold liquid) shall be installed with tubular-shaped polyvinyl
chloride insulation with an integral waterproof jacket.
11.10. Upon completion of the work, HVAC Contractor shall adjust and balance the entire
heating and air-conditioning system.
Highlighting indicates revisions made as of the date on this standard. Page 10 of 10