USA > Massachusetts > Plymouth County > Plymouth > Town annual report of Plymouth, MA 1909-1911 > Part 11
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2.55
1.43
2.23
5.92
1.79
3.77
44.65
43.14
- 6.9 Per Cent
-203-
-
-
-? 04-
SCHEDULE
Showing number of feet of each size of pipes and number and size of gates.
Size in inches
LENGTH OF PIPE IN FEET
No. of Gates
No. of Check Valves
No. of Air Cocks
No. 10 in. B. O.
No. 8 in. B. O.
No. 6 in. B. O.
No. 4 in. B. O.
No. 2 in. B. O.
No. 11/2 in. B. O.
No. Hydrants
20
190
1
1
18
7424
4
1
16
16424
12
13
2
14
10352
11
1
9
12
11230
28
6
2
1
10
34274
54
2
8
1
· 8
17747
51
3
6
43878
111
5
4
4
78702
173
72
3
7927
14
2
44963
119
3
5
2
11%
382
1
1
1
1352
7
3/4
973
2
275818
58.
3
63
3
1
9
9
18
1
205
3
1
1
2
PLATE I.
001.20
Great South Pend
105.cr
Little South Pandy
104 50
113.50
10800
Ha fe
101.50
5
et.1
SI
tell
SI-HELP
12çe
Diagram showing variations in levels of Great and Little South Ponds for 1909.
Size in. .
No. of Length pipe feet
Cost of iron
Labor
Cement
Rings
Iron for sleeves
Rivets
Power and paint
Total
Cost per foot
8 in.
984
9,020
$1.963.89
$1,090.88
$793.20
$432.96
$127.91
$60.75
$4,526.37
.50
6 in.
190
1,758
304.31
235.64
103.70 72.60
60.80 27,00
11.40 7.52
$56.78 10.45 9.35
6.50
732.80
.42
4 in.
170
1,573
178.03
165.10
5.00
464.60
.295
Total
1,344
12,351
$2;446.23
$1,491.62
$969.50
$520.76
$146.83
$76.58
$72 25
$5,723.77
-205-
PUMPING RECORDS, 1909.
MONTHS
Hours run fuel used
pumped
Total No. Gals. low service
Rain in inches
Average temperature Daily aver- age water pumped Min. gallons Max.
Daily aver- age fuel pounds
January
191
33,725
17,531,5'0
16,696,000
5.44
36.5
23.3
565,534
1082
February
.
.
18584
31,155
16,717,250
16,717,000
6.18
37.3
23.
597,045
1112
March
187
$1,390
16,720,400
14,290,000
3.74
40.
26.3
539,367
1012
April
171
29,295
15.175,400
14,104.000
6.41
51.
35.
505.846
May .
2003/4
32.225
17.940.500
17,237,000
3 51
61.
45.
578.725
1039
June .
270
39.610
24.399.200
19.671,000
3 03
74.5
55.4
813,306
1320
July .
3488/4
46,700
32,653,700
20,692,000
1.83
77.9
58.
1,053.345
1506
August
3401/2
47,070
31,299.850
20,193,000
2.44
74.
55 7
1.009,672
1518
September
2481/2
36.775
22.625,000
19,977.000
4.95
68.6
51 8
754,166
1225
October
2181/2
36,145
19.603.500
19,311,000
2.23
57.8
39.9
632,370
1165
November
1931/4
33,995
17,608,800
16.127,000
8.15
49.2
35.9
586.993
1133
December .
1961/2
33,855
17,692,950
17,499,000
3.34
34.
20.
570,740
1092
27511/2
431,940
249,968,100
212,514.000
51.25
Hours run
Total lbs. Fuel used
No. gals. pumped
Av. No. gals. to 1 1b. coal
A verage duty for year
New pump Old pump
25711/4 1801/4
403,310 28,630
237,423,800 12,544,300
588.6 488.2
34,340,000 25,558,000
.
.
-206-
-
Total lbs. No. gallons
-207-
PUMPING STATION.
An interesting table showing in detail the amount of water pumped, coal used and other valuable information is given un- der the heading of Pumping Records.
WATER ANALYSIS.
As has been customary for a number of years the State Board of Health has made its usual analysis of the water of Great and € Little South, Boot and Lout Ponds for the past year, and a copy of these analyses follows.
NEW PIPE LINE IN USE.
The 18 inch pipe which was laid in 1908 from the Pumping Station to Little South Pond to replace the 10 inch pipe, has been in use for the year 1909 and the practical value of this new line has been demonstrated. Under the old conditions our pumps took all the water which the old 10 inch pipe would supply and the balance was taken from Lout Pond with a lift varying from fifteen to eighteen feet. With the 18 inch line in use the connection between the tank in our Station and Lout Pond is kept closed and the 18 inch line feeds directly to our pumps, making a lift for our pumps of only one or two feet. A comparison of the pumping records of 1909 with those of 1908 will show that in 1909 we pumped 15 million gallons more water than in 1908 and used 15 tons less coal. This sav- ing is probably largely due to the low lift our pumps now have and effects a constant economy in operation.
Respectfully submitted,
A. E. BLACKMER, Supt.
WATER ANALYSES, 1909.
DATE OF
APPEARANCE
ODOR COLD
ODOR Нот
ALBUMINOID
POND
COLLEC- TION.
EXAMI- NATION.
TURBID- ITY
SEDI- MENT
COLOR
76731
Boot
Feb. 19
Feb. 19
V. Slight V. Slight
.02
V. faintly vegetable Faintly vegetable
2.25
1.10
1.15 .0008 .0156 .0134 .0022 .67
.0010 .0000
.15 0.5 .0040
76732
Little South
Feb. 19
Feb. 19
V. Slight V. Slight
.02
76733
Great South
Feb. 19
Feb. 19
None
V. Slight
.01
None
2.35
1.15 1.20
.0014 .0134 .0092
0042 .69
.0000
.0003
.05 0.5 .0090
77585
Little South
April 21
April 22
V. Slight
V. Slight
.01
V. faintly vegetable None
V. faintly vegetable None
2.90
1.15 1.75 .0034 .0130
0122 .0008 .65 .0000 .0000
.08|0.2 .0060
77587
Boot
April 21
April 22
V. Slight| V. Slight
.03
V. faintly vegetable V. faintly
V. faintly vegetable Faintly vegetable
3.30
1.30
2.00
.0026 .0144 .0132 .0012 .65
.0010
.0000
.11 0.2 .0060
78561
Boot
June 22
June 23
V. Slight
Slight
.02
.19 0.5 .0180
78562
Little South
June 22
June 23
V. Slight V. Slight
.02
vegetable V. faintly vegetable Faintly
V. faintly vegetable Distinctly vegetable Faintly vegetable
2.70
1.25
1.45
.0012 .0128 .0110 .0018 .67 .0000 .0000
.18 0 5 .0090
78563
Great South
June 22
June 23
V. Slight
Slight
.00
3.40
1.15|2.25 .0020 .0116 .0094 .0022 .67 .0000
.0000
.11 0.2 .0080
80050
Little South
Aug. 25
Aug. 26
V. Slight
Slight
.06
80051
Great South
Aug. 25
Aug. 26
V. Slight
V. Slight
.02
Faintly vegetable
2.45
1.05
1.40 .0018 .0132 .0116 .0016 .68 .0000 .0000
.05 0.2 .0020
80052
Boot
Aug. 25
Aug. 26
V. Slight
Slight
.04
Faintly vegetable
3 35
1.15
2.20
.0010 .0180 .0138 .0042 .69 .0000 .0000
.07 0.5.0040
81301
Lout
Oct. 15
Oct. 15
V. Slight
Cons.
10
2.85 1.10
1.75
.0022 .0294
.0190 .01041.83
0010 .0000
.16|0.1 .0130
81522
Lout
Oct. 25
Oct. 25
V. Slight
Slight
.14
2.40 1.10|
1 30
.0028 .0182 .0142 .00401.81 .0010 .0000
.19 0.2 .0200
81709
Boot
Nov. 2
Nov. 2
V. Slight
Cons.
.05
81710
Great South
Nov, 2
Nov. 2
V. Slight
V. Slight
.02
Faintly vegetable
2.40
1.00
1.40 .0012 .0162 .0158 .0004 .69 1.85
.0020
0000
.14 0.2 .0010
81711
Little South
Nov. 2
Nov. 2
V. Slight
Slight
.02
82903
Little South
Dec. 28
Dec. 29
V. Slight
V. Slight
.07
.22 0.5 .0050
82904
Great South
Dec. 28
Dec. 29
V. Slight
V. Slight
.08
2.95
1.00 1.95j.0032 .0146 .0140 .0006 .79 .0010 .0000
.15 0.5 .0050
82905
Boot
Dec. 28
Dec. 29
None
V. Slight
.06
RESIDUE ON EVAPORATION
AMMONIA
NITRO- GEN AS
TOTAL
LOSS ON
IGNITION
FIXED
FREE
TOTAL
IN SO-
LUTION
In Sus-
pension
Nitrates
Nitrites
OXYGEN
CONSUMED
HARDNESS
IRON
77586
Great South
April 21
April 22
V. Slight
Slight
.02
V. faintly vegetable V. faintly vegetable None
2.20
1.00 1.20 .0006
0144
.0124
.0020 .68
.0000 .0000
.13|0.2 .0040
3.30 1.25
2.05 .0014
.0132 .0102 .0030 .66 .0000 .0000
.09|0.2 .0060
2.45|
1.20
2.25
1.00
1.25 .0014 .0176 .0134 .0042 .74 .0000 .0000
.08|0.1 .0090
vegetable V. Faintly vegetable V. faintly vegetable Faintly vegetable
Faintly vegetable and sweetish V. faintly vegetable V. faintly vegetable V. faintly vegetable
Dıst. vegetable and sweetish Distinctly vegetable Faintly vegetable
2.60
1.25
1.35 .0016 .0248 .0202 .0016 .68 .0030
.0000
.20 0.2 .0080
Distinctly unpleas- 3.40 ant. Organism 3.05 Faintly unpleasant
1.55
00041.0222 .0174 .0048 .73 .0010
.0000
.23 0.2 .0030
Dist. unpleasant, Decaying V. faintly unpleasant V. faintly vegetable
V. faintly vegetable
V. faintly vegetable V. faintly vegetable
3.60 1.75 1.85 .0032 .0184 .0160 .0024 .87 .0010 .0000
.15 0.5 .0080
NAME
OF
No.
1909
CHLORINE
1.65 .0030 .0214 .0182 .0032 .83 .00001.0000
1.40
1.25 0020 .0138 .0132 .0006 .67 .0000 .0000
PLATE II.
2.00
00
1.900.000
1.500 000
1.800.000
1 800 000
1.200. 000
1.200. 000
1.600.000
1 600 000
1500.000
1 500.000
0 100
1.400 000
1.3
20. 000
1.300 000
ditto? consume 2100 1262000 9/105-
Prejade
-
-
1200.000
1.200.000
000
0
000
و
O 0000
200.000
High service consumption
800 000
800 000
200.000
200 000
Your service consumption to
600.000
600. 000
forevige daily en partes
500000
100 000
4
00
. 15.
$1
25
14
21
28 ..
801.4 .
11 ·
15 .
25 %
10.
June 6 .
. 13.
. 20 .
. 22 ..
July 4 ...
11.
18.
35
Aval.
. 15.
22.
+ 12 -
- 19.
26
... 10
.17
- 2+ +
. 3.1 .
. 14 .
- 28 ...
17
1. 24
$6 %
12.1.1210
00 Diagram showing variation in high service, low service, and total consumption; also the daily average of each. Jan. 3, 1909, to Jan. 2, 1910. 000
00
2.00
500 000
8820098/11
dans
Gallons per 24 hours.
Oct 3. .
Septs.
F ..
TOWN OF PLYMOUTH
1620.
S
ACHI
SILO
.....
LIBRARY
PLY
REPORT OF THE TOWN OFFICERS FOR THE YEAR 1910
PROPOSED BY-LAWS FOR INSPEC. TION AND CONSTRUCTION OF BUILDINGS.
(Prepared at the request of the Selectmen, by a committee consisting of George W. Bradford, William E. Churchill, Carrold D. Howland, Joseph Barnes, Ephraim D. Bartlett, Arthur E. Blurkiarr.)
Section 1. Appointment of Inspector. The Seleelmen shall appoint annual- ly, in January or February, an In- spector of Buildings, who sball bold of- bre one yeur from The first day of March, in the year of his nppointment, and until auother is appointed, and qualitied, unless sooner rewovrd, He simll be removable nt the pleasure of the Seleclmen, ond n vacancy may be Elled nt amy thne for the unexpired teria, Ile shall receive such compen. ention rs the Selecturn may from time to time artermine. The said inspector shall not iuspert his own work or any builling in which he is interested.
Sertion ! A. Dulies ol Inspector.
The luspertor of buildings sball, in his discretion, examine all buildings in ruuise of erection, alteintion or repair In the Town, and munke a record of all violations of the By-laws relating thirieto. He shall perform wuch otber duties as may be required of bim by the Selectmen, and the By-Inws. He slmill rxnuniue all churches, halls, and other buildings or structures med or in. tended to be used temporarily or per- maurally, for any public purpose; u !! school houses and schoolrooms, jablie or private, and uli build. ings used tur naunfacturing pur- grises in the told. Applications for İmilling permite shall be iu writing up. ou blanks furuished by the town, and coreled by 'use By-laws without frst oldamning a peritat in writing from the Injetor.
& tion B Keuring of Permits. The In ~ lor shull keep n record of it bi- . the department. All 1 abs" off be preserved, and + y emum the property of the Town al Plymoutb.
Si tos 2 (. Dangerans Bindings, lu case oneh hnilfings, stuurinres, or rooms are from muy ennse dungerons or mafr, or are ileficient in proper furili- ties of epress in case of fire or necident, it shall be the duty . of the luspretor to mondiniery notify in writing, the Owner, ogent of person huring nu in- telest therein, and trymire surh altera. tions or additions nx in the. judgment of the Jasperlur, the security of the public may require; and surh preudises shall nut he used er vernpied until the re- iquired nerntions or odditions Imer beru made. If such Ourner, ngenl, or per- son interested irfuxia ir neglects to comply with the requirements of said uotier as nforrenid, the Inspretor shall forthwith report the farts to the Banrd of Selertnon, aml if the said Bonrd. np- on a survey of The premises, shall de. "Inre by role, iluly recorded, thal Ibe premisve nrv deficient in proper furili- ties of rgreys in case of fire, necident or panie, or from any rausr ale nan- gerone or unsafe, and if snid Owner, agent of person interested so notified, continnes snel refusnt or neglert, ilien it shall br the duty of the Seleclmen to apply to the court for the issue of an injunction restraining Ihr minten- auce or use of such hnildling or serne ture.
Section 3. Authority to enter Buildings, The Inspertor of Buildings is hereby authorized to enter any buildings, or sirnetures at any reasonalle hours for the purpose of asverinining whether any of the provisions of the By-laws are be- ing vialnteil,
Sretion 4 A. Construction of Fonudu- tion
Every foundation wall ronstructed of brick, stone or similar substance, shall be properly honleil, und in rubble stone foundations by headers extending through the walls every two feet, and all foundations shinll be solidly built with one-third cement mortar. No foundations shall be laid on frozen ground, and when laid during freezing winther proper rare shall be taken lo proteel them from frost. All per- minnent foundations shall rest upon solid ground not less than three fert be- low the surface exposed to frost.
Section 4 B. Footings for Funndutions. All foundations to be of sufficient thickness and aren to hear safely the weight to be imposed thereon. Where the nature of the ground is such thut extin footings or foundations are neces- Bury, said Inspector may irnire piles or other mmrans of scenring anitable foundations. No carrying walls shalf 1ro concealed untit such wille have been inspected. Piazzas, und porches, shalf have a suitable foundation of stone, brirk, iron or concrete, built on solid bottom not less than three feel below the surface of the ground, und built not less than three inches above the finished grade. No woodwork shull tome be- low the grade.
Section 4 C. Supports in Basrivent. Supports for alf buildings in base- ment shall be of insonry or iron of auch gize, hond, caps and quality as the Inspector deems circumstances re- quire, except wooden buildings, which may be supported on posts for a foun- dation; but in nll cases supports must bo satisfactory to the Inspector.
Section 4 D. Footing Courses, If in the opinion of the Inspector, footing courses nre needed for carryiog walls, chimneys, piers, etc., they shafl he not less than fo inches in thickness and 24 inches in width, and shall pro- jert by said walls, piera, etc., 6 inebes on either side where possible.
Section 6. Concrete Foundations. Cement concrete foundationa for one and two story buildings shall be not less than 12 inches in thickness, Three story bouses 16 inches in thickness.
Section 8. Concrete Mixture.
All cement concrete for foundationa, footings, and walls mentioned in the above sections are to be composed of
one part brøt Portland rement, three parts good sharp sand, 5 parts stone, stone to be not Inrger tban will pass through 2 1.2 inch ring. The whole to be to the satisfaction of the Inspector or such person is he may ilesignate. Section & B. Thickness of Carrying
Walls,
Cement concrete walls shall be 4 inches thicker than the brick walls thry CATTY. All masonry walls shall be 6 inhes thicker than the brick wal'a they carry. All masonry walls fur Inick buildings diall be laid up solid in Portland cement mortar, one part co- mint, Two parts lime, and proper amount of sand.
Section 7. Exterior and Parly Walls of Brick.
All brick bisdings shall Imve exter- nal and party walls built of hard brick properly bondil at lenat every eightb rourse, niul thil to the satisfaction of the Inspector, nd shall not be of les thirkness than, as follows, provided that no story exceeds fourteen fret brtwen floor timbers, for one story buildings, twelve inches in width below Brst flour, eight inthee in width for first story. Section 8, Thirkness of Brick Walls in Second Story.
Two story bnihlinge, sixteen inches in width below first Door, twelve inch's in width for first story, eight inches /in willth for second story. For these story buildings the walls below the first foor shall be twenty inches in width, sixteen imbes in width for first story, tirelve inches in width for the second :b] third story.
Section 9. Thickness of Brick Wais in Four Slory Billings. For four story - buildings the wals slmll be twenty- four inches in width le- low the first floor, twenty inches fin width for first story, sixteen inches in width for arrond story, Third and For fourth story Twelve inrhes. buildings. of stories of grealer hright Ilmin fourteen feet between timbris tic thirkness of the walls simll be ns tie Inspector of Buildings may approve.
Section 10 A. Hollow Walls,
In all walls flint arr Imill hollow the -nie mimaties of unterints shull ce used ns if They were built solid, and the pmils of The anine umst be converted by proper ties of brick, stone, or iron to the satisfuetion of the Inspertor,
Seelion 10 B. Recesses in Walls, Rreesses for unter ur other pires made in the unlls shall not be more than one- third of the thickness of the irnlls without permission from The In- spector. Roersses around such pipes must be filled with solil masonry at enchi story.
Sretion 1] A. Tieing of Building. All brick walls shall be secured to ench Hoor nt interials of not inole thiu right fert with wronght iron anchors not less than one-Ilf inh thirk, and une und one- half inches wide, yol hes thnu 2 fert long well turned down into rentre of walls and up into floor tha- lura, oud irhere floor and roof timbers are in tiro Irugths und resl on par i. tion wall or girders they shall be strap. ped together with wrought iron strapa or tie finns nt the same distance npart, und in the same bruins ns the wall an- rhors, und shull he fastened so ns to forin n continuons lie neross the build-
ing. Plates for all roofs shall be hort- eu to walls at least once in rvery ten fret, bolts to br well built into walls, Sertion 11 B. dlaists Resting ou Brick Wall.
The ends of all floor benma or mflers oulering a brick wall shall br cut on a spiny of thive inches, and hare hear. ings on the walls of fonr inches.
Sretion 12. Division and Party Walls. All division or purty walls of briek shall be carried mp ont Iras than 24 inches above the roof, and shall be rapped with slone or metul securely fastened, provided that on the fronts ar strrp partions of Fieuch or Man- wurd roofs the party wall winy be built up to the roof boards. On exterior walls at least eight inches of brick wall must be rarried behind the rorniceB. All roof or floor timbers entering the amne parly wall from opopsite sides, shall hare al least four inches of solid hrickwork belireen the ends of sak
timbres.
Section 13. Framing of Buildings. All courenled frame buihlings shall he bnill with silla, posts, girts, and plates all to be well brured and thoroughly put together to the satisfaction of the Inspertor.
Section 14. Fruining Sides,
In ull wooden buildings with con- Qualed frame, not exceeding three ator irs in height, the posts of which cx. ered 22 feet in length, the Hills shall br unt less thun six by eight inches or its equivalent, and The posts and girts not less than four hy eight inches; in ull surh buildings the posts of which nre 22 feet or less in depth, the sills shall be not less than six by six inches, or its equivalent, and the posts and girts not less than four by six inches; in all woollen buildings the studding of the outside walls shull be not less than two by four inches, set not more than sixleen inches on centies; unless so ilirerted by the Inspector; in all wood- en buildings the studlding in all parti- lions carrying lloor timbers shall be not less than two by four inebes, set not more than sixteen inches on centres, and lesling on girders not fess than six by right inebes, unless so directed by the Inspertor.
Section 15. Floor Joists.
For a span not exceeding ten feet the timber shall be not less than two by seven inches; for a span not exceeding ! twelve feel tbe timber sball be not less than Iwo hy eight inches; for a span not exceeding fourleen feet the timber shall be not less than two hy nine inches; for a span not exceeding sixteen feet, The timber shall be not less than two hy ten inches; for a spun not ex- ceeaing eighteen feet thr timber sball be no! less than two by twelve inches; for a span not exceeding twenty feet the timber shall be not less than two by fourteen inches; for a span not ex. creding twenty two feet the timber shall be not less than three by twelve inches; for a span not exceeding twenty-four fret the timber shall be
not less than three by fourtren inches ; of Buildings to inspect the same, and in size, of gooil spruce limber or haid pine set not more than sixteen murhrs on centres, or of size giving their enniv. alent in strength. shall have received from said Inspector # unlire in writing that the building is | the several provisions of this By-law. accepted, excepting npartment houses, in which, if requested by the Owner or Builder ruch Hoor sbafl be insperteil separately.
Section 16 A, Rafters on Pitched Roof. In buildings which are eighteen fert or moro in willth rafters for pitched roofs shall measure not less than tiro ly six inches anıl Inrger wheir deemed necessary by Inspector, and spaced ut more than twenty- four inches on ren- Tres; in buildings which me less Than cighlern fret in width, the size of ruiters may be determined by the lu- spector; hip and valley rafters shall be und less than two by eight inches, und where attie is unfinished The valley ruiters shall be of size in proportion to their length; all parts herein jarh. tioneil to he of solid timber excepting the pintes, which inny he in two pieces rush, two by four inches, thoroughly spiked toprther.
Sertion 17. Bridging.
All door timbers with a span from ten to sixtren feel shall have one row of bridging; all Woor timbers with n span uf sixteen fert or more shall have a bridging erety eight feet, and all hridging stock shall be not less than one by three inches, securely nailed, two Dd nails in encb end.
Section 18, Bracing and Fire- Stopping. The nttir Hoor timbers shall be not Irys thun Iwo by seren inches for any nttic whether finished or unfinished, to which There is an areess, which can be used for storage or other purposes, pro- videil, however, that the foregoing di- imensions shall not apply to buildings rovering nu aren not rxreeding two hun- Alred and fifty square iret, with posts of not excerding ten feet in height, but all neb munihlings shall be created under e supervision of the Inspector Buildings nud provided, further, that Irdger hards mny be used in pince of girls in oue and one half story bouses, al in dwellings where the nttie toor Js below the pintes, if the space back of Irdger boards bel ween st udding shall be filled with joists of same size ns wall studs rut in tight Ro ns to prevent drafts in ense of fire, All one and one- half story buildings shall have end girts morlised, tenoned and pintied together,
Section 19. Calting of Timhers. No fluor timber, header, or trimmer of u building shall be ent into more than two inrhus in depth for piping without n permil from the Juspertor. und no eul . fing shall he mule in any timber nt a greater distaure Than three feet from its support.
Section 20. Fire Stopping. Donble duelling. hons % of two stories cor' more shall bare tirestops of wooil or Insonri between thew joists resting on ionin partitions.
The openings nt thu Bvors, whether munsed by leilgers or Hoor joists project. ing aborr sills, shall be stopped by pieres not lesy than two inches thick ent in tight; nlao in dwellings where toor joists are supported on ledger boards, that portion of the outside wall below The ledger formning a part of the base- ment wall, there shall be stop4 two ihr's thick ent in on top of floor, be. tirren aludding.
Section 21. Girders.
There shall be girders not less than six by eight inches under main parti- tions or door timbers doubled, or their ! equivalent, under all cross partitions in the first floor of all dwellings.
Section 22. Beams, Headers and
Trimmers.
Hemlere and tritummers of all open- ings more than four feet square in first fuor of dwellings shall be floor joists doubled, or their equivalent, and in any floor thint miny br deemed necessary hy The Inspector. All the supporting walls or partitions above the first floor in nny Imilling shall be trussed in a manner approved by the Inspector. Beams
marrying ninin nr cross porlilions in first flour shall be supported on piers or iron poals not more than nine feet
mpurl: trimmers in first floor orer ti'rive fret in length still be support- eil by n pirr or post. All buildings shall be brured in earh story, und in cross partitions if deented neressary by the Inspector.
.All the preceeding sections apply to all ronrented structures. Section 23. Fluor Loads.
Live loads for Hoors in different class- es of buildings, exclusive of the weight of materials of construction shalf be 48. sumed as follows:
Buildings for public assembly, includ. ing assembly halls of schools, pounds per square foot.
150
100 Bnifdings for ordinniy stores, light manufacturing and light storage, pounds per square foot.
Office buildings, 80 pounds per square foot.
Stores for heavy materials, ware- housea and factories, 250 pounds square foot.
Public buildings, except sebools, 150 pounds per square foot.
All the framing must be strong enough to support the above live lond plus the weight of mat rials used in construction using a factor of safety of four.
Section 24. Dangerous Buildings. If any building already erected or in process of erection chall after examina- lion by the Inspector of Buildings, be deemed by him weak, unsafe or danger. ous from poor construction, faufty, wenk or unfit materials he shall cause to be made such changes in, alterations of, or additions to the work and mater- ial ag be shall consider necessary, and if the building is in process of construc- tion he ahall hereby have authority to cause aff work upon the same to be sun- pended until any alterations or addi- tions which he may have ordered are completed.
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