HomeMy WebLinkAbout2775 Contract, F.S. Cleghorn and Town of Lexington for installation of heating and ventilating apparatus in the new high school Building, April 16, 19021
CONTRACT BETWEEN F. S. CLEGHORN AND THE TOWN OF LEXINGTON
FOR INSTALLATION OF HEATING AND VENTILATING
APPARATUS IN NEW HIGH
SCHOOL BUILDING.
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THIS AGREEMENT, made this sixteenth day of April, 1902, between
F. S. CLEGHORN, doing business in Boston, Mass., under the
style of CLEGHORN COMPANY, of the first part, and the INHABITANTS
OF THE TOWN OF LEXINGTON, MASS., of the second part; said
Inhabitants acting herein by Henry W. Lewis, Edwin A. Bayley, and
Robert P. Clapp, constituting a sub-committee of the general building
committee which has in charge the matter of building for the
town the new High School House now in process of construction,
WITNESSETH THAT
(1) In consideration of the agreement of the party of the
second part herein contained, the party of the first part, said
Cleghorn, hereby undertakes and agrees to furnish all the materials
for, and accomplish the work of, installation in the Lexington
High School Building, now in process of erection, a heating and
ventilating system and apparatus therefor, in accordance with the
requirements of the Specification hereto annexed, prepared by
Cooper & Bailey, and of the heating and ventilating plans lately
submitted by F. S. Cleghorn (combination gravity and blower system),
said Cleghorn agreeing to do so on the following basis and terms:
(a) Actual cost to him of the labor of his workmen (including
man superintending on the premises the work of installation)
plus twenty per cent (20%) ; said Cleghorn hereby guaranteeing that
the amount on which this percentage is to be added shall not exceed
six hundred dollars ($600). If the labor cost should exceed
six hundred dollars, then the percentage to be added on the excess
above six hundred dollars shall be ten per cent (10%),- i.e. the
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same as the percentage hereinafter provided to the added to cost of
materials. No charge is to be made for said Cleghorn's own ser-
vices, nor for the work or services furnished in the preparation
of said plans.
(b) Actual cost to said Cleghorn of all apparatus and ma-
terials entered into the job. By such cost is meant actual net
cost to him, after deducting all trade or other discounts and com-
missions, excepting only such special discount as he may receive
for prompt payment of bills. Except as otherwise expressly specified, all
material is to be of the best quality.
All of the above is subject to the guaranteed limit herein-
after provided.
(c) The foregoing costs shall be shown to said Sub-Commit-
tee or their successors by exhibition of original bills and vouch-
ers.
(d) Said Cleghorn hereby guarantees that the cost of the
completed job to the party of the second part shall not exceed
sixty-eight hundred dollars ($6800). If the cost figured on the
foregoing basis should exceed sixty-eight hundred dollars ($6800)
said Clegorn agrees to make to charge beyond said limit, but to
bear the excess himself. If, however, the total cost, figured
on said basis of actual costs to Cleghorn plus the specified per-
centages, should fall below said guaranteed limit, then the dif-
ference or saving shall be divided equally between the part of
the first part and said Cleghorn.
(e) The work herein provided for shall be completed before
August 1, 1902.
(f) Payment shall be made as follows: ninety per cent
(90%) at the end of the month of the amount of work one, as near-
ly as the same can be estimated by the Architects, who shall give
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certificates of such estimates. The cumulating residue of
ten per cent (10%) shall be paid in thirty-one (31) days after
the giving by the Architects of a certificate approving the fin-
ished work, and proof that there are outstanding no mechanics'
liens arising from the job. Such certificate of approval shall
not relieve said Cleghorn from the requirements of the guaranty
contained in the last two pages of the annexed Specification.
(2) Said Cleghorn agrees to give, at his own expense, a
bond in the sum of one thousand dollars ($1,000) conditioned for
the faithful performance of this contract, up to the time of ac-
ceptance of the completed job, and beyond until it shall be shown,
by test made in extreme cold weather, that the guaranty on the
last two pages of the Specification is fulfilled.
(3) Said Cleghorn shall be bound, for one year after ac-
ceptance and payment, with reference to making good defects that
develop within said one year, as provided near the end of the Spe-
cification.
(4) The party of the second part hereby agrees to make to
said Cleghorn the payments to which he shall become entitled under
the foregoing terms and provisions, and to make them at the times
and in the manner hereinbefore provided.
IN WITNESS WHEREOF, the parties have hereunto subscribed
their names, the day and year first above written.
Frank S. Cleghorn
INHABITANTS OF THE TOWN OF LEXINGTON MASS.
By Robert P Clapp }
Henry W. Lewis }
Edward Bayley}
Sub-Committee
SPECIFICATION AND ARTICLES OF AGREEMENT
FOR THE
HEATING AND VENTILATAION
OF A
NEW HIGH SCHOOL BUILDING
FOR THE
TOWN OF LEXINGTON
COMMONWEALTH OF MASSACHUSETTS
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Cooper & Bailey,
Architects
95 Milk St, Boston Mass.
SPECIFICATION
OF MATERIALS TO BE PROVIDED AND LABOR TO BE PERFORMED FOR THE HEATING
AND VENTILATION OF A NEW HIGH SCHOOL BUILDING FOR AND IN THE TOWN OF
LEXINGTON, MASSACHUSETTS
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GENERAL CONDITIONS
The true meaning and intent of this specification is that the
whole work shall be performed in the most thorough and workmanlike
manner, under the supervision and to the approval of the Architects
and the High School Buillding Committee or such person as they may design-
nate.
The Architects will furnish this Contractor one duplicate set of
the general drawings of the building.
All other drawings and measurements shall be made by this Contractor,
wo shall employ draughtsmen competent to make them.
All drawings so made are to have the approval of the Architects
before any work from them is done.
On completion of the work this contractor shall furnish and deliver
a full set of the heating and ventilating drawings and these specifi-
cations to the owner for future reference.
Travelling expenses of the Architects or their superintendent when
inspecting work made necessary by the non-completion of the building
within contract time, shall be repaid by the Contractor to the Archi-
tects.
These specifications and accompanying drawings show the minimum
amount of capacity required, and should the amount of heating surfae
or boiler or pump or fan capacity be insufficient to heat and ventilate
the buillding in a manner satisfactory to the State Chief Inspector of
Pubic Buildings, with a boiler pressure of 30 pounds and without water
manner in pipes, this Contractor must increase the parts and arrangements
of the plant to the amount and in the manner necessary to obtain results
satisfactory to the said Inspector.
If this Contractor requires any cutting of brick, stone or wood
work it will be done by the owner without cost to this Contractor.
After boilers are set and connections made this Contractor shall
furnish the owner or the general contractor with steam for heating the
building, the general contractor supplying fuel and paying the heating
contractor for the man to run the boilers.
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There shall be two horizontal tubular boilers with full overhanging
fronts and all parts and pieces must be designed accordingly.
The boilers shall be at least 15' 0" long outside shell, and be
54' in diameter outside of smallest ring of plates.
Shell to be made in two sections. Plates to be of best quality
"Open Hearth" fire box steel 60,000 lbs. tensile strength and 11/38 of
an inch thick.
Heads to be of best "Open Hearth" flange steel 1/8" thick.
All plates, both of shells and heads, to be plainly stamped with
name of maker, brand and tensile strength.
Longitudinal seams to be butt jointed with double covering plates
double riveted and both seams above water line. Rivets to be 3/4" in
diameter and to be Burden's best. Trnasverse [transverse] seams to be single rivet-
ed with rivets of same size as those in longitudinal seams, and pitched
2" apart from centre to centre.
The use of the drift pin to bring bind or partially blind holes
into line will be sufficient cause for the rejection of the boilers.
There shall be twenty braces in the boiler, 10 above the tubes on
front head and 10 similar ones on the back head, none of which shall be
less than 3' 6" long of round iron 1-1/8" in diameter without welds.
Braces to be connected to heads by solid jays of strength equal to
body of brace and 7/8" turned pins or bolts to radial pieces of T iron
securely rivited to heads, and to shell of boiler by two 7/8" rivets
each.
Care must be exercised in setting them that they may bear uniform
tension.
Each boiler is to have 60 best American lap-welded tubes 3" in
diameter and 14' long, set in vertical and horizontal rows, with a
clear space between them of 1", except the central vertical space which
is to be 2".
Holes or tubes to be neatly chamfered off on outside.
Tubes to be set with dudgeon expander and beaded down at each end.
Each boiler shall have in the front head below the tubes one hand-
hole 3-1/2" X 5", with suitable plate, yoke and bolt. Each boiler
shall have also two 11" X 5" manholes, one in each head; the front one
to be above the tubes and the rear one below the tubes. The rear one
shall also have a solid cover to protect it from the fire. Each man-
hole to have strong internal frame and to be provided with suitable
plate and yoke.
Each boiler is to have four east iron brackets securely riveted
in place, each 18" long with a 18" projection from boiler.
Cast iron wall plates 34" long, 18" wide and 1-1/8" thick shall
be furnished for each bracket to rest upon, and three rollers each 1"
in diameter and 10" long shall be furnished for rear brackets to rest
upon.
Each boiler is to have two 6" internal diameter cast iron nossles
with 18" flanges securely riveted to boiler on top.
There shall be a brass safety fusible plug placed at back head 8"
above the upper row of tubes.
The material, workmanship and setting of the boilers are to be
subjected to the inspection and approval of the Hartford Steam Boiler
Inspection & Insurance Co. and their certificates of test and policy
of insurance for $5,000.00 for three years, giving four inspections per
year, policy to cover all damage by explosion to property and life,
are to be furnished owner free of charge before final certificate is
given, except that the owner shall pay for the policy of insurance.
Boilers to be coated with non-corrosive mineral paint, and all holes
required for feed, return, blow-off, etc., to be tapped out.
Each boiler shall have a 1-1/2" feed pipe entered in front head,
3" above top row of tubes and at one side and extending from front
head back to within 2' of back head thence across the boiler and down
between the tubes and shell.
Each boiler shall have a 7" circular plate of same material as
boiler riveted to bottom of shell 8" from back and tapped to re-
ceive a 4" blow-off pipe.
Each boiler shall be provided with a cast iron overhanging front
of approved pattern with planed and properly fitting air tight doors
with frames bolted to fronts; the fire doors to be arched; the frames
and mouth pieces inside supporting brick work to be 10" deep flared
inward and be cut into, forming prangs 3" wide with 1" between.
The fire doors shall be heavy and lined with iron plates..
The distance from the grate bars to the underside of shell shall
be 24" and there must be room over the fire doors for a double row of
fire brick.
Anchor bolts for front must be 10' long.
Furnish for each boiler one approved grate of a shaking and dump-
ing pattern, New England rolling, or other type satisfactory to the
Architects, with bearings and fittings complete, arch bars for back
connection, buck staves and with tie rods, back connections door 16" X
24" with liner plated and frames, and all other castings or iron work
of any description necessary for the proper setting of the boilers
complete.
With each boiler furnish and connect one 4" Ashton pop safety
valve, one iron combination water column fitted with 3/4" water gage
and 3/4" cocks, and 1-1/4" pipe connections.
gage
There shall be placed where directed a suitable wooden board con-
taining two 8-1/8" brass Harvard clock to match. Connections to be made
to boilers with 1/8" brass pipe and finished fittings.
The smoke pipe from the boilers shall be made of No. 18 iron and
connect with smoke flue.
The uptake to each boiler to have a 3/16" close fitting damper,
also a balanced damper, closing at an angle of 45 degrees. Clean-cut
doors opposite each damper and in back end.
Furnish and set complete, on brackets bolted to wall, a Looke
damper regulator and connect with damper in smoke flues.
Furnish a full set of fire tools consisting of heavy iron hoe,
poker, three pronged clinker hook, a No. 5 steel scoop shovel, a forged
wrought iron rack to be bolted to wall, one flue cleaner, one 12" and
one 18" monkey wrench, and one 14" and one 18" Stillson wrench.
The boilers are to be set in substantial masonry, the masonry to
be performed under another contract.
The walls to be of brick 18" thick.
The back connection is to be of bevelled fire brick turned against
arch bars, setting the arch bars 1/8" from boiler.
Set plates for lugs true and level, and leave space at each end,
and fill in around lugs with mineral wool, leaving room for expansion.
Arch over top of boilers with two courses row locks, leaving 3"
air space between boiler and brick work, the back end to be tied with
3/4" rod, with anchor plates.
Line the furnace and all parts acted upon by the flames with the
best quality fire bricks, laid close with just sufficient fire clay to
level the work.
The two top rows of lining to be headers, courses of lining below
these laid stretchers only.
The bridge wall to be formed with arch brick in shape of inverted
arch, following curve of boiler shell and with 5" space between.
Pave ash pits with hard burned brick on edge in cement.
24 x 24
Furnich a blow-off tank of cast iron 24" X 24", to be set in the
ground, and provided with a loose cover set flush with brick work. Con-
nect blow-off from boilers, and run a 2" vapor pipe to roof and discharge
through vent stacks. Connect tank with one of the dry wells by 3"
overflow.
Furnish and set upon foundation provided under another contract,
and connect complete, one 5-1/4" X 3-1/2" X 5" Worthington or Warren
automatic feed pump and receiver. The pump to be regular pattern and
brass lined, fitting with Brandon hard rubber valves. Run a 3" brass
delivery pipe with globe and check valves from pump and connect with
blow-off pipes from boilers on boiler side of valve.
The suction for pump will be 3-1/2" pipe with valve, and connect
pump with receiver.
Connect all drip [?] pipes and carry the same to main drip [?].
Make all connections between returns from radiators and the re-
ceiver.
Make 1" connection to cold water supply.
There are to be two independent steam lines with independent con-
nections to boilers, one for the secondary and the others for main
radiating coils: the engine and pump shall have connections to each of
the steam lines.
The outlets from boilers are to be 5" with valve, the several
outlets from steam mains shall each have a globe valve and shall supply
the several sets of apparatus with pipe of size required to carry boiler
pressure to the apparatus. The steam piping shall be run in about
the location shown and of the sized of pipe to be approved by the
Architects; from the front connections of boilers run an 8" drum. From
this drum take a branch to preliminary coil; beyond this branch the
main supply shall be 8".
Piping connections in main lines shall be made with flange fit-
tings and there shall be a valve for each connection.
Every rising main and return shall have a valve at the bottom and
connections and returns to fixtures shall each have a valve at the
fixtures.
Each rising main shall be dripped at bottom by 3/4" pipe with
valve and leading to main return.
Return pipes shall be two sizes smaller than supplies and shall
be brought back and connected to receiver.
All steam mains and branches in basement shall be covered with
magna-bestos sectional covering. The smoke pipe shall be covered wit
1-1/8" magna-bestos plastic covering.
All steam pipes are to be straight and smooth; the rising lines
selected, free from grooves, tool marks, and coupings of pipes running
in pairs to be opposite each other, and no coupling on pipes above the
basement to be higher than 3' from floor.
All pipes to be equal to those of National Tube Works Co., and all
steam fittings to be equal in weight and quality to the best heavy grade
made by Morris & Tasker.
All valves used on the piping or in connection with radiators to
be Jenkins Bros. pattern, and angle valves are to be used wherever pos-
sible. All valves above basement are to be finished and nickel plated
and have wood wheels.
A 1" connection from the town water supply will be brought into
boiler room by plumber; this contractor shall extend this pipe to con-
nect with returns, and shall also make a direct connection to boilers.
All feed pipe from pump to boilers will be of brass, fittings to be
cast iron pattern, finished.
The radiators in fan chamber will consist of 9 sections, having
in all at least 600 sq. ft. radiating surface. These sections will
be connected with exhaust from engine and also a connection to steam
main with a 4" X 8" (Paul) Curtis or Waters reducing valve. Each of
the other sections shall be connected alternately with the steam main
as shown, and be controlled by separate valves. Each radiatorshall
have a supply valve and 3/8" automatic air valve.
In addition to the above there shall be supplementary radiators
placed at the bottom of each rising duct to rooms. These radiators
shall have valves for supply and return and automatic air valves.
In addition to the above there shall be supplementary radiators
placed at the bottom of each rising duct to rooms. These radiators
shall have valves for supply and return and automatic air valves.
There shall be two foot warmers for lower corridor, one at each
end of corridor. Each shall have 60 sq. ft. of indirect radiator.
These radiators shall be cased in galvanized iron with doors for clean-
ing and be connected with floor registers.
The foot warmers shall each have two 12" X 36" floor registers.
These registers shall set in iron frames and have moveable screen under
them.
In the base of each vent flue, just above the inlet, there shall
be a radiator of 20 sq. ft. of surface. Valves for controlling these
radiators shall be placed on risers in basement.
Direct radiators shall be placed as shown on plans or specified,
and of the sized called for. Radiators shall be Fowler, Wolfe wall
radiators, or other approved pattern.
The basement rooms and water closets shall be heated by circula-
tions of the sizes shown, supported on adjustable screw hangers with
rod and wheel for each pipe.
All radiators shall have automatic air valves.
[top row illegible]
with angle irons of the proper size.
This contractor shall provide, furnish and set complete, one
Sturtevant, or other approved make, upright disc wheel ventilating
fan, not less than 78" in diameter and one 10 h. p. Sturtevant upright
steam engine. Engine to be belted direct to fan, and to be set on
solid foundations provided under another contract.
Fan and engine must be of the best construction and workmanship,
with sight feed oil ups, and be capable of delivering, under continuous
operation, 88,000 cu. ft. of air per minute through the radiators and
ducts to the rooms, when the fan is running at a speed not exceeding 217
revolutions per minute.
Run exhaust from engine to connect with the first three sections,
the water of condensation to go directly to dry well. Make direct
connection also between the engine exhaust and the vapor pipe from
blow-off tank. Both systems to have valves so that either may be
used independent of the other.
Furnish the brick mason with case iron clean-out doors for all
places where cleaning out is required.
All exposed radiators and pipes will be neatly bronzed or painted
as may be preferred. The fan coils and supplementary heater will re-
ceive one coat of Dixon's graphite paint. The fan, engine, pumps,
tank and boiler fronts, will receive two coats of hard baking japan of
color approved by Architects.
Connect the indirect radiators in basement with the fresh air
come through separate ducts of heavy galvanized iron, and of the
sizes shown.
Connect the brick vent ducts with the local vents from plumbing
with galvanized iron ducts of sizes shown. Connect the brick heat
and vent ducts to the openings in rooms with necessary lengths and
sizes of galvanized iron ducts as shown on plan.
No galvanized iron ducts shall be made of lighter than No. 34
galvanized iron, and all of the main ducts shall be made of No. 30
galvanized iron; frame on L,iron wherever necessary for strength and
supported on strong iron hangers.
Each branch duct in basement will have an adjusting damper, to be
strongly constructed or No. 22 galvanized iron, to be arranged for reg-
ulating the supply to each room by the janitor.
Furnish and set mixing dampers in warm air ducts to be of No. 22
galvanized iron, the edges to be formed with 1/4" iron rod and have
counter weight on the under side; mixing dampers to be of the full area
of the ducts and have chains for operating from school rooms, running
over pulleys, chains in school rooms to be nickel plated and have black
handled pull on end. Chains to pass over suitable nickel plated stops
for fastening. Furnish and put up complete cords, pulleys, cleats,
etc., for operating windows and rotating dampers in connection with
fresh air rooms.
Furnish and set curved dampers in vent ducts, to be of No. 22
galvanized iron, the edges formed over 1/4" round iron and have two
stiffeners riveted between; to be operated from school rooms with
nickel plated chain with black handled pull running over pulleys and
have suitable nickel plated stops for fastening.
Furnish and put up the required galvanized iron castings and
aprons in the fresh air chambers, also do all other casings required in
connection with the apparatus to the satisfaction of the Architects.
Furnish and set eight 6" X 24" cast iron doors to fresh air chamb-
ers.
Furnish and set cast iron register faces of the required size in
floors of first story over fresh air rooms for rotating air for night
use.
Furnish and set heavy galvanized iron dampers under the above
registers. Dampers to be full size of opening and close against felt
packing to make air tight when not in use.
Paint the backs of all ducts and all galvanized and other iron,
visible from rooms, with one coat of black asphalt paint.
Furnish ad set four current indicated (Gay pattern) to the ducks
in first story school rooms.
Paint the screens to inlet and outlet ducts two coats of gold bronze.
The windows of fan room shall have wire screens on iron frame,
screwed to wood frame. Each inlet and out-let duct from rooms is to
be ccovered with a wire grating set in light iron frame L shape. One
side of the L to extend down 1" over the fact of plastering.
This Contractor shall furnish for the use of the Architects one
Hicks or other approved anemometer and a Standard 6" nickel plated
thermometer. He shall place in each room one Standard 8" polished
brass thermometer with wall plate for fastening to wall.
Before putting in use this Contract is to furnish
fireman and engineer and thoroughly blowout each part of the apparatus
separately. When the building is in proper condition for making a
test, they are to test and put all parts of the apparatus in adjustment,
regulate air currents and fine correct positions for dampers and fix
all adjustable parts in correct position.
GUARANTY.
This Contractor agrees thatthe plans and specifications show only
the least amount of capacity required and guarantees, without further
expense to the owner, the apparatus shall, with proper attention, with
a boiler pressure not exceeding 30 lbs. per sq. in., and the fan not
running over two hundred and seventeen turns per minute, heat the en-
tire basement, first, second and third stories of the High School
Building to seventy degrees temperature in any weather, and at the same
time the temperature at the breathing plane shall not vary more than
three degrees between any two points in the occupied portion of any
school room, and that not less than 30 cu. ft. of air per pupil per min-
ute shall be supplied and exhausted through the heat and vent ducts.
That the above be measured, tested and approved by the State in-
spector, except as next below provided.
Said test by the State Inspector shall not be conclusive as to the
fulfilment of the foregoing guaranty, but an additional test shall be
made in extreme cold weather on notification from the Owner to this Con-
tractor, such test to be by the State Inspector or by any disinterested
and competent expert, at the option of the owner.
The Contractor further guarantees all parts of the apparatus fur-
nished by him to be free from defects, and should any defect in ma-
terials or construction develop within one year from the date of the
acceptance of the work as shown by the Architects' final certificate,
this contractor shall make good such defects without expense to the
owner, notwithstanding such acceptance of the work.
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2775