USA > Massachusetts > Barnstable County > Harwich > Town annual reports of the selectmen and overseers of the poor of the town of Harwich 1957 > Part 3
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(f) Appliances equipped with gas conversion burners.
(g) Appliances which have draft hoods supplied by the appliance manufacturer, refer to paragraph (e) covering installations in sleeping quarters and in institutions.
(h) Unlisted appliances.
5.1.2. Appliances Not Required to be Vented
(a) Listed gas ranges.
(b) Listed hot plates and laundry stoves.
(c) Listed domestic clothes dryers.
* (d) Listed water heaters with input not over 5000 BTU per hour.
* (e) Listed gas refrigerators.
*(f) Counter Appliances.
* (g) Room heaters listed for unvented use, refer to 5.1.1 paragraph (e).
* (h) Other appliances listed for unvented use, and not provided with flue collars.
When any or all of the appliances starred above are installed so that the aggregate input rating exceeds thirty (30) BTU per hour per cubic foot of room or space in which they are installed, they shall be flue or vent connected or provided with approved means for exhausting the flue gases to the outside atmosphere. Where the room or space in which they are installed is directly connected to another room or space by a doorway, archway, or other opening of comparable size, which cannot be closed, the volume of such adjacent room or space may be included in the calculations.
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5.2. Draft Hoods
Every vented appliance, except incinerators, dual oven type combi- nation ranges, and units designed for power burners or for forced vent- ing shall have a draft hood. If the draft hood is not a part of the appli- ance or supplied by the appliance manufacturer, it shall be the same size as the appliance flue collar. For suggested general dimensions for such draft hoods refer to pages 72, 73, and 74 in the American Gas Asso- ciation Inc. pamphlet, approved in 1954.
5.2.2. Installation of Draft Hoods
Where the draft hood is a part of the appliance or is supplied by the appliance manufacturer, it shall be installed without alteration in ac- cordance with the manufacturers instructions. In the absence of manu- facturers instructions, the draft hood shall be attached to the flue collar of the appliance or as near to the appliance as conditions permit. In no case shall draft hood be installed in a false ceiling, in a different room, or in any manner that will permit a difference in pressure between the draft hood relief opening and the combustion air supply.
5.2.3. Position of Draft Hood
A draft hood shall be installed in the position for which it was de- signed with reference to the horizontal and vertical planes, and shall be so located that the relief opening is not obstructed by any part of the appliance or adjacent construction.
5.2.4. Special Draft Hoods
Where the installer must supply a draft hood of special design advice of the local gas company or the authority having jurisdiction as to its use shall be secured.
5.3. Type of Flues or Vents
5.3.1. Type A Flue or Vent
Flue or vents of masonry reinforced concrete, or metal smoke stacks. Type A flue or vents shall be employed for venting:
(1) All incinerators.
(2) All appliances which may be connected readily to the use of solid or liquid fuels.
(3) All boiler and warm air furnaces except where the local authority having jurisdiction approves the use of type B gas flue or vents.
5.3.2. Type B Gas Flues or Vents
Vent piping of non-combustible, corrosion resistant material of suffi- cient thickness, cross sectional area, and heat insulating quality to avoid excess temperatures on adjacent combustible material and listed by a nationally recognized testing agency. Type B gas flues or vents shall be used only with approved gas appliances which produce flue gas temper- atures not in excess of 550°F at the outlet of the draft hood when burning gas at the manufacturer's normal input rating and not specified to be vented to type A flues or vents. Type B gas flues or vents shall be in- stalled with clearances to combustible construction in accordance with their listing.
5.3.3. Type C Gas Flue or Vents
Flue or vent piping of sheet copper of not less than No. 24 U. S. standard gage or of galvanized iron of not less than No. 20 U. S. standard gage, or of other approved corrosion-resistant material. Type C gas flue or vents shall be used only for runs directly from the space in which the appliance is located through the roof or exterior wall to the outer air. Such flues or vents shall not pass through an attic or concealed space
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not through any floor. Installation with reference to clearance to com- bustible construction and passage through wall or roof shall comply with provisions of 5.4.7 and 5.4.8.
5.4. Flues or Vents Connectors
5.4.1. Materials:
The material used for the flue or vent connector shall be resistant to corrosion and be of sufficient thickness to withstand damage.
5.4.2. Avoid Bends:
The flue or vent connectors shall be installed so as to avoid short turns or other constructional features which would create excessive re- sistance to the flow of flue gases.
5.4.3. Pitch:
The flue or vent connector shall maintain a pitch or rise from the appliance to the flue or vent. A rise as great as possible, at least 1/4-inch to the foot (horizontal length) shall be maintained. The horizontal run shall be free from any dips or sags.
5.4.4. Provide Vertical Run
Wherever sufficient headroom is available appliances having a hor- izontal flue outlet shall be provided with a vertical run or flue or vent to connector before the horizontal run. To minimize frictional resistance in the connector, it is recommended that 45 degree elbows be used.
5.4.5. Length
The horizontal run of the connector shall be as short as possible and the appliance shall be located as near the flue or vent as practicable. The maximum length of horizontal run shall not exceed 75 percent of the height of flue or vent.
5.4.6. Support
Flue or vent connectors shall be securely supported.
5.4.7. Clearance
Flue or vent connectors shall be located in such a manner that con- tinued operation of the appliance will not raise the temperature of sur- rounding combustible construction more than 90ºF above normal room temperature when measured with mercury thermometer or conventional head type thermocouples. Where flue or vent connectors pass through partitions or combustible construction, ventilated thimbles shall be used. Minimum clearance from combustible construction to flue or vent con- nectors for listed appliances are shown in Table 9 of the American Gas Code Association pamphlet. For unlisted appliances, the minimum shall be 9 inches from metal flue or vent connectors except for incinerators where the minimum clearance shall be 18 inches. The clearance for metal flue or vent connectors to combustible construction may be reduced as specified in Table 10 of the American Gas Code pamphlet, approved 1954.
5.4.8. Use of Thimbles
Flue or vent connectors other than type B, shall not pass through any combustible walls or partitions unless they are guarded at the point of passage by ventilated metal thimbles not smaller than the following:
For listed appliance except floor furnaces and incinerators 4-inches larger in diameter than the flue or vent connector, unless there is a run of not less than 6 feet of flue or vent connector in the open, between the draft hood outlet and the thimble, in which case the thimble may be 2- inches larger in diameter than the flue or vent connector. For listed floor furnaces and all unlisted appliances except incinerators 6-inches larger in diameter than the flue or vent connector. For incinerators 12-inches larger in diameter than the flue or vent connector.
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5.4.9. Size
The flue or vent connector shall not be smaller than the size of the flue collar or the size of the outlet of the draft hood supplied by the manufacturer of a gas designed appliance. Where the appliance has more than one flue outlet, and in the absence of the manufacturer's specific instructions, the flue or vent connector shall equal the combined area of the flue outlets for which it acts as a common connector to the flue or vent.
5.4.10. Dampers
No manually operated damper shall be placed in the flue or vent connector from a gas appliance except as noted below. Fixed baffles ahead of draft hoods are not classified as dampers. A manually operated or barometric damper may be installed in the flue or vent connector of a gas incinerator when recommended by the manufacturer. The manual damper shall be so constructed that it will not close off more than 80 percent of the cross-sectional area of the flue or vent connector. Such a damper will be supplied with a listed incinerator if the manufacturer recommends its use, and the installation instructions accompanying the incinerator will include complete information for installations of the damper.
5.4.11. Fireplace
A flue or vent connector shall not be connected to a chimney flue having a fireplace opening unless the opening is permanently sealed.
5.5. Flues or vents
This section applies only to natural draft venting. Forced draft or exhaust systems and power burners usually require special engineering and installation shall be approved by the local authority.
5.5.1. Check Chimney
Before connecting a flue or vent connector, the flue or vent shall be examined to ascertain that it is properly constructed, clear, and will free- ly conduct the products of combustion to the outer air.
5.5.2. Size
The flue or vent to which the flue or vent connector is connected shall be of a size not less than specified in figure 7 of American Gas Code pamphlet approved in 1954. In no case shall the area be less than the area of 3-inch diameter pipe. When more than one appliance vents into a flue or vent, the flue or vent area shall not be less than the area of the largest flue or vent connector plus 50 percent of the area of the additional flue or vent connectors. Any shaped flue or vent may be used provided its flue gas venting capacity is equal to the capacity of round pipe for which it is substituted.
5.5.3. Height
The flue or vent should extend high enough above the building or other neighboring obstruction so that the wind from any direction will not strike the flue or vent from an angle above the horizontal. Unless the obstruction is of great magnitude, it is usual experience that a flue or vent extended at least two feet above the highest part of wall para- pets and peaked roofs within 30 feet will be reasonably free from down drafts.
5.5.4. Chimney Entrance
In entering a chimney flue, the connection shall be above the extreme bottom to avoid stoppage. Means shall be employed which will prevent the flue or vent connector from entering so far as to unduly restrict the space between its end and the opposite wall of the chimney. A thimble or slip joint may be used to facilitate removal of the flue or vent con- nector for cleaning.
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5.5.5. Cleanouts
Cleanouts shall be of such construction that they will remain tightly closed when not in use.
5.5.6. Venting Into Flues Used for Other Fuels
An automatically controlled gas appliance connected to a flue which also serves equipment for the combustion of solid or liquid fuel shall be equipped with an automatic pilot. A gas appliance flue or vent con- nector and a smoke pipe from an appliance burning another fuel may be connected through a single opening if joined by a Y fitting located as close as practical to the flue. If two or more openings are provided into one flue they should be at different levels.
5.5.7. Flue Connecting Two or More Appliances
In order to promote better draft where more than one gas appliance flue or vent connector is connected to a flue or vent, the connections should be made at different levels. Two or more gas appliances may be joined by Y fittings as close as practical to the flue or vent, and pro- vided the size of the common flue or vent is sufficient to accommodate the total volume of flue gases. Y fittings shall be made so that the angle at which the flue or vent connectors intersect is as small as pos- sible and should not exceed 45 degrees.
5.5.8. Unlined Chimneys
Where an existing chimney is unlined or where local experience indicates that flue gas condensate might be a problem, consult the local gas company for information about liners that are suitable for the locality.
5.6. Outside Flue or Vents
5.6.1. Material
Oustide flues or vents are not recommended and they are particular- ly unsuccessful in severe climates and in small sizes, but when they must be used, the material shall be resistant to the action of combustion products and shall possess high insulation qualities or be adequately in- sulated to minimize condensation and aid draft.
5.6.2. Support Flue or Vent Pipe
When flue or vent must be installed on the outside of the building, it shall be securely supported. A capped "tee" should be installed at base of the riser with an opening to drain off condensate. A suitable vent cap which does not obstruct or reduce the effective cross sectional area of the flue or vent outlet should be placed on top of the riser.
5.6.3. Prohibited Installation
Natural draft vent extending through an outside wall and terminat- ing adjacent to the outside wall are prohibited. See provisions of 5.5.3 and 5.5.2.
5.7. Special Venting Arrangements
5.7.1. Appliances with Sealed Combustion Chambers
The provisions of 5.2 to 5.6, inclusive, do not apply to listed appli- ances having sealed combustion chambers and which are so constructed and installed that all air for combustion is derived from outside the space being heated and all flue gases are discharged to the outside at- mosphere. Such appliances shall be installed in accordance with their listings.
5.7.2. Flue Exhausters
Flue exhausters may be used with gas appliances in lieu of natural draft vents except on incinerators. Where a flue exhauster is used with gas appliances requiring venting, provisions shall be made to prevent the flow of gas to the main burners in the event of failure of the exhaust system.
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SECTION 9 "Utility Main Shut-Off"
An outside stopcock or gas shut-off valve shall be provided to the main connection from the public utility gas system, located in an ap- proved flush covered box in the sidewalk at or near the curb line. Such valve box shall be identified with the word "Gas" cast or otherwise inscribed on the cover. Where there is more than one lead into the building, each gas supply line shall be so equipped.
SECTION 10 "Main Building Shut-Off"
Each gas service connection which is brought into a structure shall be fitted with a straightway stopcock valve, placed in an accessible position immediately inside the wall through which the connection en- ters, or at the meter.
SECTION 11 "Meters"
Meters shall be adequately supported and connected to the piping so as not to exert undue strain on the connection. They shall be located as near as practical to the point of entrance of the service and preferably in the cellar or basement of the building or structure. The location shall be accessible, clean, dry, properly ventilated and free from streams or chemical fumes, and the meter shall be protected from extreme cold and heat. There shall be at least four (4) feet above the floor with an unobstructed passage leading thereto.
No gas meter shall be placed underneath any stairway, bulkhead, show window stoop, sink or lavatory, over a water closet, coal or wood- bin, room where picture machines are operated, in the space between floors under a show window or bulkhead, within twenty (20) inches of an electric cutout box, service switch, distribution panel, or any current for light or power, or within eight (8) feet of any boiler, furnace hot air pipe or smoke pipe. No meter shall be set in any kitchen, kitchenette, or any room containing a gas range unless the floor area is at least 36 sq. ft. and the room is properly ventilated.
SECTION 12 "Piping and Fittings"
Gas piping shall be of adequate size to maintain proper pressure at fixture, and shall be of wrought iron or steel with malleable iron fittings, or copper water tube. No cast iron fittings or aluminum tubing shall be used for the main gas conduit. The piping shall be run straight without sags or traps, shall be pitched as to drain back to the riser, and from the riser to the meter or inlet and shall be rigidly supported at intervals of not more than six (6) feet by incombustible straps, hooks, bands, or hangers. The use of lead pipe, rubber hose, or other flexible pipe, tubing or fitting shall be prohibited: except that approved flexible metallic tubing connectors shall be permitted for gas appliances which burn not more than ninety (90) cubic feet of gas per hour. Fittings shall have a working pressure of at least one hundred and twenty (120) pounds per sq. inch.
SECTION 13 "Liquified Petroleum Gas Piping"
Piping for liquified petroleum gas shall be designed and installed of approved material suitable for the use on the system. Control valve shall be provided in every installation as herein specified. A Main shut-
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off valve outside of the building in the supply side of the main con- nection, and relief valve with terminal discharge directly to the outer air at a point not less than five (5) feet distant from any 'window or other opening in the building or other adjoining structures. The fore- going shall be in accordance with the regulations of the Board of Fire Prevention Regulations of the Department of Public Safety.
SECTION 14 "Air for Combustion"
Appliances shall be installed in a location in which the facilities for ventilation permit satisfactory combustion of gas and proper venting, under normal conditions of use. Where appliances are installed in a con- fined space within a building of unusually tight construction, air for combustion and ventilation must be obtained from outdoors or from spaces freely communicating with the outdoors, ventilated crawl space or attic. Under these conditions, the opening called for in figure 2 of American Gas Association pamphlet approved in 1954, shall be replaced by two openings having a combined area of not less than one square inch per 1000/BTU per hour of input rating.
SECTION 15 "Penalty"
Whoever violates any section of this By-Law shall be punished by a fine of not more than $20.00.
and to act fully thereon. By request of Committee on Gas Code.
RIVERS, HARBORS, BEACHES
Article 30. To see if the Town will assume liability in the manner provided by Section 29 of Chapter 91 of the General Laws, as most recently amended by Chapter 5, Acts of 1955, for all damages that may be incurred by work to be performed by the Department of Public Works of Massachusetts for the improvement, development, maintenance and protection of tidal and non-tidal rivers and streams, harbors, tidewaters, foreshores and shores along a public beach in accordance with Section 11 of Chapter 91 of the General Laws, and authorize the Selectmen to execute and deliver a bond of indemnity therefor to the Commonwealth and to act fully thereon. By request of Board of Selectmen.
'Article 31. To see if the Town will vote to raise and ap- propriate the sum of one thousand dollars ($1,000) for nec- essary improvements to the Herring Brook and to act fully thereon. By request of Board of Selectmen.
Article 32. To see what action the Town will take in re- gard to the Herring Fisheries for the year of 1958 and to act fully thereon.
Article 33. To see if the Town will vote to instruct the Selectmen to take by purchase or eminent domain for re- creational purposes the land or interests in the land at Earle
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Road in West Harwich bounded and described as follows: Northerly by David Embury et al, Foster B. Clark et ux, Mar- cel R. Danis et ux and John J. Taylor et ux; easterly by land now or formerly of John J. Taylor et ux; southerly by Nan- tucket Sound and westerly by Earle Road all as shown on a plan filed with the Town Clerk and to raise and appropriate a sufficient sum of money for this purpose and to act fully thereon. By request of Board of Selectmen.
Article 34. To see if the Town will vote to instruct the Selectmen to take by purchase or eminent domain for re- creational purposes the land or interests in the land at Allen Harbor in Harwich Port bounded and described as follows: Northerly by Lower County Road; easterly and southerly by Allen Harbor; westerly by Allen Harbor Properties Inc. all as shown on a plan filed with the Town Clerk and to raise and appropriate a sufficient sum of money for this purpose and to act fully thereon. By request of Board of Selectmen.
Article 35. To see if the Town will vote to take by pur- chase or eminent domain for recreational purposes the land at Seymours Pond, Pleasant Lake bounded and described as follows: Easterly by the railroad; southerly by the land of the Town of Harwich; easterly by the land of the Town of Harwich; again easterly by Seymours Pond and northwesterly and northerly by cranberry bog of J. B. Atkins, all as shown on a plan filed with the Town Clerk and to raise and appropriate a sufficient sum of money for this purpose and to act fully thereon. By request of Board of Selectmen.
Article 36. To see if the Town will vote to take by pur- chase or eminent domain for recreational purposes the land at Pleasant Lake bounded and described as follows: Northerly by Long Pond; easterly by Nellie Blanchard; southerly by Louis Fernandes and westerly by the land of Louis Fernandes and the land of the Town of Harwich, all as shown on a plan filed with the Town Clerk and to raise and appropriate the sum of eleven hundred dollars ($1,100) for this purpose and to act fully thereon. By request of Board of Selectmen.
Article 37. To see if the Town will vote to purchase or take by eminent domain for recreational purposes land at Deep Hole Road, South Harwich bounded and described as follows: Easterly by Deep Hole Road; southerly by the Town of Harwich; easterly by the Town of Harwich; southerly by Nantucket Sound; westerly by George Kissick and northerly by the main ditch, all as shown on a plan filed with the Town Clerk and to raise and appropriate the sum of two hundred dollars ($200) for this purpose and to act fully thereon. By request of Board of Selectmen.
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Article 38. To see if the Town will vote to purchase or take by eminent domain for recreational purposes the land in Andrews River area south of Route #28 and more par- ticularly bounded and described as follows: Northerly by Route #28 about 150 feet; easterly by Francis A. Downey, 100 feet; northeasterly by Francis A. Downey and others, 400 feet; easterly by Geraldine Larkin, 250 feet; southeasterly by an irregular line by the land of Rudolf Homan, Weekes Road and Julian Circle West (Private Way) about 1,200 feet; southerly by Gretchen K. Graf and owners unknown, 130 feet; southwesterly by land of Gretchen K. Graf 290 feet; south- erly by land of Gretchen K. Graf and land of Irving W. Pet- tengill et ux, 110 feet; southeasterly by land of Irving W. Pet- tengill et ux, owners unknown and Rudolf Homan, 720 feet; southerly by Nantucket Sound, 250 feet; northwesterly by Wychmere Pines Association; land of Taylor Starck et ux; land of Marjorie C. Nordblom et ux; land of John J. Grullemans and Marshall F. Walker et ux, 2,000 feet and southwesterly by Marshall F. Walker et ux, 50 feet as shown on a plan filed with the Town Clerk and to raise and appropriate the sum of fifty-five hundred dollars ($5,500) for this purpose and to act fully thereon. By instructions of 1957 Annual Meeting.
Article 39. To see if the Town will vote to instruct the Selectmen to prepare the necessary information and plans for the purpose of taking by purchase or eminent domain for recreational purposes certain lands in the vicinity of the Town Landing at Round Cove in East Harwich and to act fully thereon. By request of Board of Selectmen.
Article 40. To see if the Town will vote to raise and ap- propriate the sum of fifteen thousand dollars ($15,000) to be used with whatever money may be available from the State and County for the purpose of beach improvements at the Red River Beach in South Harwich and to act fully thereon. By request of Board of Selectmen.
Article 41. To see if the Town will vote to raise and ap- propriate the sum of twenty-five hundred dollars ($2,500) for the purpose of improving and enlarging the parking area at the Red River Beach in South Harwich and to act fully there- on. By request of Board of Selectmen.
Article 42. To see if the Town will vote to raise and ap- propriate the sum of fifteen thousand dollars ($15,000) to be used with whatever money is available from the State for the purpose of dredging Herring River in West Harwich and to act fully thereon. By request of Board of Selectmen.
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Article 43. To see if the Town will vote to raise and ap- propriate the sum of five thousand dollars ($5,000) to be used with whatever State money may be available for the purpose of constructing boat ramps at Herring River, West Harwich at Allen Harbor, Harwich Port and at Round Cove, East Har- wich and to act fully thereon. By request of Board of Select- men.
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