4910.1

TABLE OF CONTENTS

Page

CHAPTER 6 CONSTRUCTION

600 GENERAL
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
6-3

602 SITE
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
6-3

602-1 Site Utilities - Underground Utilities \-\-\-\-\-\-\-\-\-\-- 6-3

602-2 Roads and Walks
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-3

603 CONCRETE
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
6-4

603-1 Interior Concrete Slabs-on-Ground \-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
6-4

603-2 Exterior Concrete Slabs-on-Ground \-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
6-4

606 WOOD
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
6-4

606-1 Termite Protection
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-4

606-2 Decay Protection
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-5

606-3 Wood Construction
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-5

607 THERMAL AND MOISTURE PROTECTION \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
6-5

607-1 Energy Requirements
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-5

607-2 Flashing
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6-6

607-3 Gutters and Downspouts
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-6

608 DOORS, WINDOWS AND GLAZING
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-7

608-1 Door Performance - General
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-7

608-2 Exterior Doors
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6-7

608-3 Windows
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6-8

608-4 Glazing
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6-8

609 FINISH MATERIALS
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609-1 Finish Flooring, Rigid
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609-2 Resilient Flooring
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609-3 Painting
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6-9

609-4 Wall Coverings
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6-13

609-5 Other Finishes
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6-13

611 EQUIPMENT
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6-14

611-1 Kitchen and Vanity Cabinets
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-14

613 SPECIAL CONSTRUCTION
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-- 6-15

613-1 Factory-Produced (Modular or Panelized)

Housing
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6-15

613-2 Swimming Pools
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6-15

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4910.1

614 ELEVATORS
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6-15

614-1 Minimum Service Elevator Sizes
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615 MECHANICAL
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6-15

615-1 Special Piping System
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615-2 Water Supply System
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615-3 Sewage Disposal Systems
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4910.1

CHAPTER 6

CONSTRUCTION

600 GENERAL

All work shall be performed in a workmanlike manner and

in accordance with good usage and accepted practices.

All materials shall be made and installed so they perform

in accordance with their intended purposes.

602 SITE

602-1 SITE UTILITIES - UNDERGROUND UTILITIES

602-1.1 Underground piping and related items shall be protected

from corrosion. Underground mechanical and electrical

systems shall be protectively coated to minimize

corrosion where soil conditions warrant. Where

applicable, sacrificial anodes may be used.

602-1.2 Sacrificial anodes may be used where soil resistivity

does not exceed 15,000 ohm - centimeters. Otherwise, an

impressed current system of corrosion prevention shall be

used.

602-2 ROADS AND WALKS

602-2.1 GENERAL

Surfaces and base courses for roads, streets, parking

areas and walks shall be durable materials. Their

construction shall be in conformance with generally

accepted local design practices.

602-2.2 Drainage

Adequate surface and underground drainage systems shall

serve all paving and improvements so as to ensure

continuing stable soil support for these improvements.

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4910.1

603 CONCRETE

603-1 INTERIOR CONCRETE SLABS-ON-GROUND

603-1.1 General

Slabs shall be designed and constructed in accordance

with ACI 302.1R-80, Guide for Concrete Floor and Slab

Construction, and as may be necessary to prevent slab

damage due to potential soil movements.

603-1.2 Vapor retarders and base course shall be provided for all

interior concrete slabs to which a finish flooring is

applied. In arid regions where irrigation and heavy

sprinkling is not done, and where no drainage or soil

problem exists on the site, vapor retarders may be

omitted with the consent of the HUD Field Office. Base

course may omitted when asphalt tile, rubber tile, vinyl

tile, terrazzo and ceramic tile are used as finish

flooring, except that base course shall be used when

capillarity of subsoil is such that liquid rise from

ground water table will permit water to reach the bottom

of the slab.

Note: Acceptable base course materials are gravel,

slag, crushed rock, sand, cinders and certain

types of earth when approved by the local HUD

Field Office. See ASTM C-33-90, Table 2.

Base course material shall be clean, washed

and free from deleterious substances,

consistent with ASTM C-33, with 100% of the

material passing a 1\" sieve and less than 2%

passing a #4 sieve.

603-2 EXTERIOR CONCRETE SLABS-ON-GROUND

Slabs shall be designed and constructed in accordance

with ACI 302.1R-80, Guide for Concrete Floor and Slab

Construction, and as may be necessary to prevent slab

damage due to potential soil movements.

606 WOOD

606-1 TERMITE PROTECTION

606-1.1 A chemical barrier must be provided for structures built

in those areas where termites are determined by the HUD

Field Office to be a hazard. A physical barrier will

also satisfy this requirement where the hazard is

presented by subterranean termites only.

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4910.1

606-1.2 Soil treatment and pressure treated lumber are chemical

barriers.

606-2 DECAY PROTECTION

606-2.1 Protection Against Damage by Decay

Where required by the HUD Field Office, protection

against damage by decay shall be provided.

606-3 WOOD CONSTRUCTION

The 1991 Edition of the National Design Specification for

Wood Construction shall be used, including the 1991

supplement.

607 THERMAL AND MOISTURE PROTECTION

607-1 ENERGY REQUIREMENTS

607-1.1 Energy Efficiency

All buildings shall be constructed in compliance with the

requirements of the CABO Model Energy Code, 1992 Edition

except Sections 101.3.1, 101.3.2, 101.3.3 and 502.1.2,

but including the Appendix. The values to be used for

the table contained in Section 302.1 of the Model Energy

Code are to be those for the area in which the building

is to be constructed. Information concerning heating and

cooling degree days for particular locations shall be

obtained from the ASHRAE Handbook of Fundamentals; ASHRAE

Heating Cooling Load Calculations Manual; the NAHB-RF

Insulation Manual for Homes and Apartments; local

utilities; or the National Climatic Data Center Manuals

are available from NAHB-RF, or NAIMA.

Other sources of heating degree day and summer cooling

data may be used, if acceptable to the HUD Field Office.

607-1.2 Thermal Mass

In addition to the energy criteria set forth in Section

607-1.1, the design of a property may take into

consideration the thermal mass of building components.

However, thermal mass may be considered only to the

extent that the developer or other interested party can

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4910.1

607-1.2 Continued

provide the HUD Field Office with empirical evidence that

quantifies the effect of thermal mass with respect to the

specific geographical location in question and with

respect to the specific type of construction in question.

When the quantifiable effects of thermal mass are

considered, the building must provide a level of energy

efficiency equal to or exceeding that otherwise required

by these MPS.

607-2 FLASHING

General

a\. Flashing shall have a service life at least equal

to that of the assemblies into which it is built.

b\. Alternate products or systems of bitumen-impregnated

plastic or elastomeric materials may be

used for flashing if they are installed in

accordance with the manufacturer\'s recommendations

and are acceptable to the HUD Field Office.

Counter flashing is considered exposed flashing and

shall be constructed of sheet metal.

c\. All openings between wood or metal and masonry

shall be caulked with a non-hardening caulking

compound.

607-3 GUTTERS AND DOWNSPOUTS

607-3.1 Gutters

a\. Gutters shall be provided when either of the

following conditions are present:

\(1\) Soil is of such a nature that excessive

erosion or expansion will occur or,

\(2\) Roof overhangs are less than 12 inches in

width for one story structures or less than 24

inches in width for two story structures.

b\. When gutters are omitted, a diverter or other

suitable means shall be provided to prevent water

from roofs or valleys from draining on uncovered

entrance platforms or steps.

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1994

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4910.1

607-3.1 Continued

c\. A gutter having approximately the same cross

section as the downspouts shall be used for

spacings of up to 40 ft. between downspouts. For

each additional 20 ft. of gutter, the gutter width

shall be increased by 1 inch.

d\. Strainers shall be installed at the head of the

downspout when the downspout is connected to an

underground drain.

e\. Details of any built-in gutters shall be submitted

to the HUD Field Office for acceptance.

607-3.2 Scuppers

a\. Scuppers shall be installed at the outfall end of a

valley for special roof designs, such as

\"butterfly\" roofs.

b\. Scuppers shall be installed for overflow of all

roofs enclosed by parapet walls, except when the

construction of the roof and the type of roof

covering used are designed to hold water. Suitable

overflow devices shall be used.

607-3.3 Downspouts

Downspouts shall be sized on the basis of 100 square feet

of roof surface to 1 square inch of leader. More or less

leader area may be required by the HUD Field Office.

608 DOORS, WINDOWS, AND GLAZING

608-1 DOOR PERFORMANCE - GENERAL

Doors shall be durable, installed in good operating

condition, free of defects, latch readily and lock

securely.

608-2 EXTERIOR DOORS

608-2.1 Weatherstripping

All exterior doors and weatherstripping shall be properly

fitted so as to eliminate excessive infiltration of air.

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1994

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4910.1

608-2.2 Miscellaneous

A safety door check shall be provided on all outward

opening doors, including storm and screen doors.

608-3 WINDOWS

608-3.1 Installation

Windows shall be installed in accordance with the

recommendations of the manufacturer. Operating hardware

shall be installed. Windows in buildings of 4 or more

stories in height shall be inside glazed or have sash or

ventilators that can be glazed from the inside of the

building. All glass and glazing beads shall be

replaceable.

608-3.2 Weatherstripping

Windows and weatherstripping shall be properly fitted to

eliminate excessive infiltration of dust, snow or rain.

608-3.3 Screens

Screens shall be installed on openable windows in

habitable rooms and bathrooms.

608-4 GLAZING

608-4.1 Installation Standards

Glazing shall comply with the applicable requirements

identified in Appendix E.

609 FINISH MATERIALS

609-1 FINISH FLOORING, RIGID

The products used shall be installed in accordance with

the manufacturer\'s instructions and/or recommendations.

609-2 RESILIENT FLOORING

Resilient flooring shall be installed over a suitable

underlayment and in compliance with the recommendations

of the manufacturer.

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4910.1

609-3 PAINTING

609-3.1 Application

a\. Application of paints, stains, or other coating

systems shall be in strict accordance with

manufacturer\'s directions.

b\. Additional coats may be required if the finish

surface does not provide coverage or hiding that is

acceptable to the HUD Field Office.

609-3.2 Exterior Wood Surfaces

Exterior wood surfaces shall be finished as follows:

a\. Wood Siding, Millwork and Trim

\(1\) Knots, resinous wood, and nail holes shall be

sealed with a prepared sealer or aluminum

paint prior to puttying and priming. Any nail

holes or cracks in surfaces to be painted

shall be filled with putty.

\(2\) A prime coat shall be applied to all surfaces

to be painted before or immediately after

installation. Primer shall be formulated

specifically for application to unfinished

wood. Finish coats formulated to serve as

primers may be used.

\(3\) One of the following finish systems shall be

applied. Coverage shall be that which will

provide at least the minimum thickness

recommended by the manufacturer.

\(a\) Oil paint systems.

\(b\) Latex paint systems.

\(c\) Pigmented stains as per manufacturer\'s

directions.

\(d\) Clear penetrating preservatives or water

repellent finishing systems.

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4910.1

\(4\) The top and bottom of exterior wood doors,

casement sash, awning sash and the bottom of

double hung sash shall receive two coats of

paint or sealer.

\(5\) Prior to erection, all edges of vertical

siding shall be sealed with a heavy coat of

house paint primer, water repellent stain,

exterior aluminum house paint or sealer. Wood

batten strips shall be backed-primed or

sealed.

b\. Wood Shingles, Shakes, Roughsawn Siding.

Two coats of oil stain, pigmented oil stain or an

oil shingle paint shall be applied.

c\. Hardboard and Softwood Plywood Siding.

These sidings shall be finished in accordance with

the manufacturer\'s direction.

d\. Wood Porch Floors and Decks.

One coat of primer and two coats of floor and deck

enamel designed for exterior use shall be applied.

Joints between floor and wall shall be caulked.

e\. Unfinished Surfaces.

Shingles and board siding of vertical grain cedar,

redwood and baldcypress may be left unfinished.

609-3.3 Exterior Concrete Masonry Units or Concrete Brick

a\. At least two coats of masonry paint shall be

applied.

b\. Concrete masonry units or concrete brick, except

small areas of foundation walls, shall be painted

to provide a water resistant finish.

High density concrete brick or solid split block

forming the outer face of double unit walls

(veneer, cavity walls, etc.) may be left unpainted

when acceptable to the HUD Field Office.

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4910.1

609-3.4 Exterior Metal

a\. Galvanized Steel or Iron

\(1\) Field painting shall consist of two coats.

One coat shall be a primer formulated

specifically for galvanized surfaces, and the

second coat shall be a finish coat. A finish

coat formulated to serve as a primer may be

used as the first coat.

b\. Steel, Iron or Terne Plate

\(1\) Steel or iron, except stainless steel,

weathering steels, or steel treated with

coatings to provide corrosion resistance,

shall be painted.

\(2\) A rust inhibitive primer and a finish coat

shall be applied.

609-3.5 Interior Wood Surfaces

a\. Millwork and Trim

\(1\) All mill work and trim, including windows;

interior doors; window, door and base trim;

paneling and closet shelving and trim shall be

finished by painting or natural finishing.

\(2\) Painting

If the surface is open grain wood, it shall be

filled or sealed to prevent the grain from

rising. Surfaces shall be treated with a

primer. One or more finish coats shall be

applied to provide a smooth surface and good

hiding.

\(3\) Finished Material

Natural finishes include stain-wax, stain

followed by one or more coats of varnish,

clear coats of varnish with or without wiped

paint undercoats or oil and wax finishes.

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4910.1

b\. Wood Floors

\(1\) If flooring is open grain wood, one coat of

filler shall be applied. All excess shall be

wiped off.

\(2\) Flooring shall be finished with:

\(a\) One or two coats of penetrating sealer

and one coat of wax; or

\(b\) Two coats of varnish and one coat of wax;

or

\(c\) Two coats of polyurethane; or

\(d\) One or more coats of factory-applied

finish.

609-3.6 Interior Plaster and Gypsum - Walls and Ceilings

a\. Plaster surfaces may be painted, covered or left

unfinished, except for surfaces of kitchens and

baths. If painted, a finished coat shall be

applied over a primer-sealer, unless finish coats

are of the self-priming type.

b\. Gypsum wallboard shall be covered. If painted, one

coat of wallboard sealer shall be applied unless

finish coats are of the self-sealing type. Two

finish coats shall be applied over the sealer. One

finish coat, except in kitchen and baths, may be

acceptable if good coverage is obtained.

609-3.7 Interior Metal

Non-ferrous metals or wrought iron may be painted or left

unfinished. Other metals shall be painted in accordance

with 609-3.4.

609-3.8 Interior Concrete Floors

a\. If painted, at least two coats of resin emulsion

paint, a solvent rubber paint or a floor and deck

enamel shall be applied. If oil paint is used, the

surface shall be neutralized before painting.

b\. A coat of wax shall be applied over paint, stain or

an integral finish.

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4910.1

609-4 WALL COVERINGS

Covering material shall be secured to a suitable base in

accordance with the manufacturer\'s directions.

609-5 OTHER FINISHES

609-5.1 General

Other finishes shall be installed in accordance with the

manufacturer\'s directions.

609-5.2 Carpeting and Cushioning

Carpeting and cushioning shall be installed in accordance

with the Specifiers Guide for Contract Carpet

Installation, published by the Carpet and Rug Institute.

The carpet shall be installed over one of the following

suitable underlayments:

a\. A finish floor as provided and described in Section

509 and 609;

b\. A troweled concrete floor;

c\. A plywood subfloor. The top ply of plywood shall

be at least \"C plugged\" grade;

d\. A plywood, hardboard or particleboard underlayment

over any other subfloor described in this

paragraph.

e\. Other materials where they provide a smooth, hard,

durable surface.

611 EQUIPMENT

611-1 KITCHEN AND VANITY CABINETS

611-1.1 General

a\. All manufactured factory finished cabinets shall

comply with ANSI A161.1-86, Recommended Minimum

Construction and Performance for Kitchen and Vanity

Cabinets, or with an equivalent standard.

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4910.1

611-1.1 General - Continued

All cabinets shall bear the label of an independent

agency that maintains continuous control over the

testing and inspection of the cabinet. The label

shall identify the manufacturer\'s name or symbol

and indicate compliance with the applicable

standards.

b\. Construction and installation of job and custom

built cabinets shall be acceptable to the HUD Field

Offices. These cabinets shall be equivalent in

quality and construction to cabinets meeting ANSI

A161.1-86.

611-1.2 Counter Tops

a\. The top material shall be securely bonded to a

reinforced steel core, to 5/8 in. plywood, or to

any other equivalent material.

b\. Top material shall be phenolic laminate, vinyl

plastic covering, ceramic tile, stainless steel or

other material suitable for its intended use. At

least a 3 in. back and end splash shall be provided

against all abutting vertical surfaces which are

not water and grease resistant. When a back splash

is omitted, the joints at the juncture of the

counter top and vertical surfaces shall be tight

and sealed.

c\. All edges, including the sink and any built-in

surface units, shall have a non-corrodible metal

molding or other suitable edging.

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4910.1 CHG-1

613 SPECIAL CONSTRUCTION

613-1 FACTORY-PRODUCED (MODULAR OR PANELIZED) HOUSING

613-1.1 Structural Features

HUD Handbook 4950.1, Technical Suitability of Products

Program Processing Procedures, describes procedures to be

followed in order to obtain acceptance of structural

features of housing not covered by the MPS.

613-1.1 Non-Structural Features

These features include methods of construction, systems,

sub-systems, components, materials and processes which

are not covered by the MPS. See HUD Handbook 4950.1 for

procedures to be followed in order to obtain acceptance

of non-structural components or materials.

613-2 SWIMMING POOLS

Where semi-private swimming pools are to be built, their

design and construction shall comply with ANSI/NSPI 1-91,

American National Standard for Public Swimming Pools.

614 ELEVATORS

614-1 MINIMUM SERVICE ELEVATOR SIZE (Minimum for Ambulance

Stretchers) See ANSI A17.1.

Inside car size - 6\'-8\" wide by 4\'-3\" deep

\*Door size - 3\'-6\" wide by 7\'-0\" high\*

Door type - Single slide

Capacity - 2500 lbs.

615 MECHANICAL

615-1 SPECIAL PIPING SYSTEM

Gas transmission systems shall be installed to obtain at

least the level of safety performance required by 49 CFR,

Part 192, entitled \"Transportation of Natural or Other

Gas by Pipeline.\" Liquid petroleum pipelines shall

conform to 49 CFR, Part 195.

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1994

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4910.1

615-2 WATER SUPPLY SYSTEM

615-2.1 General

Each living unit shall be provided with a continuing and

sufficient supply of safe water under adequate pressure

and of appropriate quality for all household uses, and

one that will not impair the functioning or durability of

the plumbing system or attachments.

615-2.2 Source of Water Supply

a\. Whenever feasible, connection shall be made to a

publicly owned or publicly controlled water supply

system that is adequate to serve the demands of the

project.

b\. When a public system is not available, connection

shall be made to a community system acceptable to

the HUD Field Office and approved by the local

health authority. The chemical and bacteriological

standards of the health authority shall apply. In

the absence of such standards, the maximum

contaminant levels of the Environmental Protection

Agency shall apply.

c\. Community water supply systems shall comply with

HUD Handbook 4940.2.

615-3 SEWAGE DISPOSAL SYSTEM

615-3.1 General

Each living unit shall be provided with a water-carried

system adequate to dispose of domestic wastes in a manner

which will not create a nuisance or endanger the health

of the occupants or the public.

615-3.2 Method of Sewage Disposal

a\. Whenever feasible, connection shall be made to a

publicly owned or publicly controlled system that

is adequate to serve the needs of the project.

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4910.1

b\. When a publicly owned or publicly controlled system

is not available or connection to or service

therefrom is not feasible, connection shall be made

to a community system which complies with HUD

Handbook 4940.3 Rev.1-1992 and is acceptable to

local regulatory bodies. Evidence of approval by

such authorities for each completed system shall be

submitted to the HUD Field Office.

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