SECTION 5 SHEET METALWORK AND MISCELLANEOUS METAL

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-05327A000300040011-7
• Release Decision: RIFPUB
• Original Classification: K
• Document Page Count: 6
• Document Creation Date: December 9, 2016
• Document Release Date: March 22, 2001
• Sequence Number: 11
• Content Type: CONT

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SECTION 5
SHEET MtT-kT iORK ND AIISOELLZEOUS iVtETi L
5-01 SCOPE; The work covered by this section of the specifica-
tions consist in furni shing all, plants' labor, equipment, appliances,
and_'materaals..not'furnished'by the Government, and performing all
bp'er.ations in oonnoot on with the installation of shoet metal and
miscellaneous metal, complelb, in .striot 'ace o ;(anua kith this section
of 'the specifications,..and..-subject to the terms and conditions of the
contx ?t.
, - 2 - a Y ;LICaBLE ` SPECIFICaT IONS i The follo'Ing Federal Spe cific'a-
tions; of the issues listed below but referred to thereafter by basic
designation only, form a, part of this specifications
O--Fr506
1~1 -486
'F~-B-571a
FF-I '1r)6a
FF-H--136 .
Q B-.71a
QQ--611x, .
QQ-B-69lb
QQ-B..721a
FF- -91
.FF-,S*llla
'F-N-1p1
QQ-G-.592
QQ-C-5 76
QQ*>r.-6..2
QQ I.6S6a
QC?-. L-7l6
QQ-?L-201
QQ -B 746a
QQ-S-571b
Q4 S7-141
.QQ--S-.766a
RR-S-;;.~,1a
RU?,F-191
RR-T-661
SS-0-.466
T14,31b
TT.--636
Flux; Solder ang; Paste =
Lockers; Clothe, Steel
Bolts; Nuts; Studs;-and Tap Rivets
and materials for same
Hardware; Builders' Looks and Lock Trim
Hardware and Fittings; for Lavatory Partition
and Inclocures
Nails; Spikes; Staples and Tacks
Screws, Machine; (Including screwas Set)
Scrubs; V"Voodt Slot ted,-head
Bars; Reinforcement for Concrete
Brassy Cornmeraial9 Bars, Plates., Rodss Shapes,
Sheets and Strips
Bronze; Castings
Bronze; Manganese; Bars., Forgingss Plates,
Rods and Shapes
Copper Bars; Rods and Shapes
Copper Plates; Sawed Barry .:Sheets and Strips
Iron, Gray- Casting
Irons. drought (Refined) ; Bars
Iron and Steel; Sheets Zinc-.Coated (Galvanized)
Lead; Sheet
Bronzes Phosphors Bars,, Plates, Rods, Shapes,
Sheets and Strips
Solder; Soft (Ta.n3 Tin-lead and' Silver)
Steely Structural (Including ' Welding and Rivet)
for Bridges and Buildings
Steel,, Corrosion .Resist`] ; Plates] Sheets,
St
rips and Structural Shapes
Screenings Wire.; ,Insect
Fencing; Chair.-Link or Welded
Threads Safety, Metallic
Cloths Yarns Threaded, and Tape; .asbestos
Faint; Iron Oxides Ready .Mixe.d. Sozhi -paste
Primer, Paint; Synthetic for. Ferrous Metal and
Wood Surfaces
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WW-P-351 Pipe,, Brass; Seamless, Iron-Pipe Size, Standard
and Extra Strong
WV4P_404 Pipe; Steel and Ferrous alloy for Bending,
Flanging, etc., Iron Pipe Size
WYE-P--54la Plumbing Fixtures; for Land Use
5-03 GENERALS Surfaces to which sheet metal is to be applied
shall be even, smooth, sound, thoroughly clean and dry, and free from
all defects that might affect the application. All-items of sheet
and miscellaneous metal, which are to be built into the building, shall
be furnished in time to the trades concerned to avoid delays to cons-
truction progress. All accessories or other items essential to complete
sheet-metal and miscellaneous metal installation, though not specifical-
ly shown or specified, shall also be provided. Nails, screws, and bolts
shall be of the types best suited for the intended purpose, and shall be
of a composition that will not support galvanic action in the installa-
tion. Standard commercial products which meet the general requirements
of the drawings and specifications will be acceptable if details of con-
struction are approved by the Contracting Officer. Welding shall be
continuous along entire line of contact except where tack welding is
authorized by the Contracting Officer. Tack welding will not be per-
mitted on exposed surfaces. Exposed welds shall be ground smooth.
Exposed riveting shall be flushed unless otherwise specified or shown on
the drawings. Bolting shall be done with proper size bolts, Nuts shall
be drawn tight. Steel shall be clean and free from mill scale, flake
rust or pittrings. Nails, brads, slips, etc., for non-ferrous metal shall
themselves be non-ferrous, and for ferrous metal they shall be galvanized
iron or steel. Unless otherwise spcified, gage ofrxotrferrous sheet
metal shall be Brown and Sharpe (B & S) and of ferrous sheet metal shall
be Manufacturers' Standard Gage. hl.l items shall be installed plur'ib,
straight, square, level, at their proper elevation and location, and
in proper alignment with adjacent work.
5-04 SHOP DRnWINGS; Prior to the initiation of any work, shop
drawings as otherwise required, shall be submitted to the Contracting
Officer for approval.
5.05 MATERIHLSs
a. Copper shall conform to Federal Specification QQ-C-576.
Except as otherwise specified or indicated on the drawings, sheet copper
shall be light--cold-rolled temper and,shall weigh not less than 16
ounces per square foot.
b. Galvanized Iron and steel shall be copper bearing, con-
forming to Federal Specification QQ-1-716, Class Dl. Except as other-
wise specified or indicated on the drawings, sheets shall be not lighter
than 26 gage.
c, Pipes for rails shall conform to Federal Speification
W .-P-4404, Type I, Class A, unless otherwise specified.
5-02
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d. zns ct scr~; n c oth shall conform to the roquircmente
of Federal Specification RI .S-1 la 18. x 14 mesh, 0.015-inch di:sieter
brass or bronze wireC
o? older. not otherwise spe cifiod shall' conform to Federal
Specification QQ-S-.j7lb$ composition Sn50.
f. ,Qldering_F1 x not otherwise specified shall be rosin
except that for nickel-.copper alloy, and, %vhore conditions of application
prohibit use of rosin, flux conforming to Federal.Specification 0->F-506
shall be used.
g.' -Stool- Shan sd Items involving stocal. plate or., shapes
shall be of stQc1..confoiming to the. requirements of Federal Specificar-
tion Q Q-S ?741', type III grade B~ class 1. till necessary holes and
linkages shal1, be provided, fQr attaching hardware or other itc:rn.s,.
llnchorage'for attachment to adjoining construction-shall be provided'
h. Ste t t ,grs shall conform to Federal Specification
' Bras s shall conform to Federal Ske fi cat ion QQ-B--611a,
B? ronze shall conform to Federal 5 ecificatibn Qt --B-721a.
k. tiVr.o~.ight Zr,~n? Ears Federal Specification Q ~.17-636a,
Fa,Gtez?.~,.n~,~s 8
{) Genaraa. s Bolts, nut sy screws, washers and other
carious fastenings shall be furnished as necessary for the proper
orac'bion of the various items of work specified herein. The' typos
and -materials of the fastenings shall be suitable for use with the
materials which are to be fastened or joined. Fastenings on exterior
iron or steel work shall be brass, galvanized steel or other nor-
rusting tY1.''3S.
(2) Stsg7,, .4Lt,sits shall conform to Federal.
Specification FF*f -57la; types and sizes as requ.iredQ
(3) . M .chi-no Screws shall conform to Federal Speb~_fica
tion FF 5-91,, typos I or IIq .and of required sizes; aluminum machine
screw products shall be, alloy 24.$--T r (,Lao ), ?or,approved `equal.
(4) V1n c~ Sci: etir shall conform to Federal Sp ification
FF,S-Ill.al flat or round headed of sizes as required
(5) L acl, xn~ nsian Si.eove , shall conform to Federal
Specification FF-J-.136, type 424, of required saes,
(6) Lead hors shall conform to Federal Specification
FF :H..136,, type 4426, of required sizes.
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(7) Flct Washers shall conform to Feder..l Spaif ication
FF4H-.136,, type 4430, of required sizes.
(8) Toggle Bolts shall conform to Federal Specification
FF=H.-13 '>, typo 4420a., galvanized steel of required sizes.
in, Brass pipe shall conform to Federal Specification
WV -P--3 51.
n. Stainless Steel shall be type No, 18-8 containing not
less than 18% chromium; not less than 8% nickels and not more than 0?12%
carbon. It shall be "Allegheny Metal" as manufactured by Allegheny Steel
Company; "Endure Ka2" as manufactured by Republic Stegl Company, -or
"Resistal" as manufactured by Cru?iblo Steel Company, or approved equal.
All stainless steel shall be nor}-magnetic,, No straight chrome irons shall
be used. All sheets shall be patent leveled, free from waves, dents or
other imperfections, All tubing and structural shapes shall be standard
sizes.
o, Miscellaneous: Materials not specified above shall be as
shorn on the drawings or as hereinafter see cified under the various items.
5-06 SiMLES of all Contractor-furnished material shall be submitted
for approval.
5-07 Nnf,ING: Except as otherwise specified or indicated on the
drawings, nailing in general shall be confined to sheet metal having a
width of less than 12 inches, Nailing of fleshings shall be confined to
one edge only. Nails shall be spaced evenly and approximately 8 inches
apart, except as shown. Where sheet metal is applied to surfaces other
than woods detailed shop drawings shall be provided to establish-loca.-
tions fcr sleepers and nailing strips required to properly secure the
work,
5-08 SOLDERING %ND SEGMINGs
a, Sclderings kul edges of uncoated sheet metal to be
soldered shall be pretinned before soldering is begun, Soldering shall
be done slowly with well-heated coppers so as to thcrcughly heat the
seam and completely sweat the solder through the full width of the seam.
ample -solder shall be used and the seam shall shop; not less than one
full inch of evenly flowed solder. Soldering shall follow immediately
after application of flux. Upon completion of soldering,, acid shall
be neutralized and surfaces shall be thoroughly cleaned.
be ?aiaig shall conform tc the following requirements:
(1) Flat Lock Seams, Finish not less than 311.11 wide.
(2) Soldered Lap Soamss Finish not less than 1" wide.
(3) Unsoldered Plain Sc* amaLap not less than 311.
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5-09 FLASHING shall be 'ifiatalled at all roof eaves and.pro-
j ections through roofs and elsewhere as shown on the drawings to
provide watertight protection. Eave flashings and water'stops over
doors' shall be constructed?of`metal platess?and angles bolted over
roofing as detailed. Water stops over doors' shall be galvanized.
5- .11' ' REGIETS..for flashing to concrete shall be provided and shall
be set in the forms.where and as shown on the drawings, or required to
provided watertight connect ors, Reglets s4a11:be..manufactu:red products
constructed of sheet.,copper of approved. design.. and shall be complete
with all fittings and special, shapes as may be required so 'as',-to b>
weathertight. Reglets of, all types shall have ekes bent to an angle
of at least 450, of sufficient width to provide firrii, and -secure anchorage
into the wall construction, Opezr-.typee;:reglets hall be fitted with
fiberboard or other suitable separators to prevent crushing or filling
of the slot- during placing of concrete. Reglets shall be secured, in the
concrete forms with. double--head' 6op er-nails spaced not over 12 inches
on centers and/or with metal strip brackets spaced not more than 2 feet
apart nailed to.,forms with 1-inch. smooth wire nails Base flashing and
roofing shots shall be carried into the reglets, Cap, flashing shall be
secured in reglets with copper or lead plugs spaced not over 12'Inches
on centers, with the groove filled with calking compound and calked smooth
after application.
5--11 LOUVERS shall be fabricated to the details shoim on the drawings
of glavanized steel angle subframes and galvanized steel frames,,. blades and
mullions. Blades shall be accurately fitted and firmly secured to the
galvanized steel frame. Frames and blades shall be made of l6-gage sheet,,
If assemblies are of welded construction they shall be galvanized after
fabrication, Insect screens shall be bronze wire in pressed galvanized
steel frames. This work includes all steel angles and accessories as
shown on the drawings or required for support and installation of the
louvers.
5-12 EM0KE PIPE AND CO.- The smoke pipe shall be made of 10-gage
black iron or steel sheet. Seams shall be lapped and welded. Joints
shall be made flush with collars welded to pipe sections or slip type,
welded after erection. The smoke pipe cap and its supports shall be made
of 1/4 inch black iron or steel plate to details shown on the drawings.
5-13 METAL THiRESiIOLDS shall be in_ single lengths for each opening
up to 6 feet wide, shall be of the design sho-~:n and shall be of extruded
brass or bronze? Thresholds shall be set in beds of grout and secured
to floors with expansion anehoze and flat-head countersunk machine screws,
finished to match the thresholc?r and spaced not more than 12 inches apart,,
Angle thresholds shall be galvanized and set in the concrete with strap
anchors as indicated on the drawings,
5- 14 FLOOR DIVIDER STRIPS for terminating or dividing floor finishes
shall be standard terrazzo dividers of brass, bronze of aluminum. They shall
be supported by suitoble spring-clip metal chairs.
5--05
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5-15 E)TaNSION JOINTSi Expansion joints shall be provided as shown
on the drawings. Flexible strips of soft copper shall be used for built-
in expansion joints in concrete or masonry walls, floors and roofs of
buildings, where noted on the drawings.
5-16 FD:TURES AND ACCESSORY IT 4St All miscellaneous metal
items necessary for the proper installation of fttures and equip-
ment such as water stops over door3, shelf hanger rods and shelf sup-
ports not otherwise specifica m other sections of these specifications
shall be provided, installed and anchored in strict accordance with the
general drawings, details and shop drawings. Insofar as possible, work,
shall be fitted and shop assembled ready for erection. Work shall be
bolted or welded as indicated or directed by the Contracting Officer,
Welded work shall conform to the best modern pract ze with base men -ais
clean and smooth. Jointings and intersections shall be accurately made,
tightly fitted and in true planes. Installation shall be true and plumb,
5-17 PAINTINGt All miscellaneous uncoated metal items shall be
given protective paint in accordance with the provisions of the section
n PAINTINGt PROTECTIVE, ON?METAL, Finish painting shall be as specified
n the section FaINTINGS GENERAL.
5-06
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