DIVISION 33 -- UTILITIES
33 05 13 MANHOLES AND STRUCTURES
- Castings shall conform to the requirements of gray iron castings ASTM A 48 and conform to the details shown on the drawings. Lids shall have the word "UIC ELECTRIC" cast into lid.
33 10 00 WATER UTILITIES
- All water systems and services are installed by the City of
Note: Since alternate methods of extension or repairs are available for various portions of the work, it will be necessary to actually specify materials and methods and not to state that this document is by reference made a part of the specification and contract, or that the work is to be provided and installed in accordance with requirements of this document. New sections of water main, including fire hydrants which actually become a part of the grid system of distribution, will generally be constructed under a separate contract. The branch service connection to building, including extensions to the main and fire hydrants where required for each particular building, shall be included in the building contract unless otherwise directed by the University.
- Fire hydrants design shall be compatible with M&H, Clow, or Waterous hydrants since repair parts for these hydrants are maintained as stock by the University.
Contractor shall obtain A/E, Facilities Management and City of Chicago
approval of installation of water mains before any section is covered.
Backfilling for water mains shall be specified, with particular
attention given to backfilling under water mains, including the removal
of previously disturbed earth outside of foundation walls, and
replacing of same with sand or pit-run gravel thoroughly compacted, so
as to provide a firm bed for the main at all such points.
- Install the domestic water system above the sanitary system when in conflict, or as mandated by code.
33 46 00 SUBDRAINAGE
- Provide footing drains and areaway drains around exterior of
conditions so require, provide subsoil drains under floor slabs inside
the building and under tunnel floors to prevent seepage of ground water
into the building.
lines should be extended to a sump and pumped to a storm sewer manhole
if gravity flow is not possible. If discharge is by gravity flow,
suitable means shall be provided to prevent backflow due to overloaded
underdrains for swales and lawn areas with less than a 2% surface slope
and under new trees, planting islands in parking lots, and any planting.
trees, shrubs, and planting beds shall be tiled with 4 inch plastic
drain tile that is wrapped with drainage fabric. The top of tile is to
be placed at a depth of 36 inches below finish grade. If conditions do
not permit tile installation at a 36 inch depth, a 24 inch minimum
depth is permitted after approval by the University. Coordinate
underground utilities and ductbanks for proper depth.
- Area wells, stairwells and access ramps below grade are not
allowed unless approved by the University in writing.
33 49 00 STORM DRAINAGE STRUCTURES
shall be run from each building and be connected to the proper City
system. Sewers shall receive drainage from roof, yard, footing and
underslab tile, and curb drains only. Consult with the City of Chicago
Department of Sewers for detention requirements. Yard and curb drains
may be constructed without basin seals. Subsoil drainage in major
projects shall be provided with separate duplex bilge pump unit and
discharged to sewer system.
University projects: Gain approval prior to the bidding procedure from
the appropriate City of Chicago, and the University for the design and
method of discharge and connection to existing sewers.
manholes and catch basins shall be removed to 2 feet below grade and
filled with washed sand or gravel. All openings in abandoned manholes
shall be plugged with concrete and brick. Exterior downspouts shall be
provided with cast iron leader boots and cast iron pipe to bridge
excavation trench along walls. Anchor boots to wall and caulk
downspouts with mastic so as to allow expansion movement.
spacing between manholes shall be approximately 300 to 400 feet, unless
a waiver is requested, reviewed and approved by the University.
- Sewer wyes must be of the same material as the main-line
will only be allowed if the main line piping has a 12 inch diameter or
greater. If a connection is to be made where there is no wye and the
piping is smaller than 12 inches, a section of pipe shall be removed
and a wye inserted with mission couplings and new sections of pipe as
of trenches under paved areas and within 2'-0" of the edge of any
pavements the sewer trench must be backfilled with CA-6 trench backfill
placed in 12 inch lifts and compacted to 95% of the standard Proctor
unless flowable fill is used, in which case the fill shall be designed
to have a compressive strength between 100 to 150 psi.
main lines must be capable of transmitting light between manholes. If
the light cannot be seen, the sewer must be capable of passing a
two-foot cylinder, which has a diameter 1 inch less than the inside
diameter of the pipe being tested.
pavement and sidewalks are to be replaced to their original thickness,
material type or types, and grade except where the old pavement was
deficient, which then must be brought up to current standards.
- Do not locate catch basins within landscaped areas without
the written permission of the University.
- Storm drains intake in parking lots to be in line with curb.
- Reinforce curbs over storm lines.
33 63 00 STEAM ENERGY DISTRIBUTION
for space cooling and domestic water heating for use in buildings will
be supplied by steam generated at the Medical Center
Steam plant/Co-generation Facility. Steam is generated at a pressure of
140 psig saturated with a superheat of approximately 50 degrees.
Distribution is via steam tunnel, shallow tunnel or direct buried pipe.
All steam piping shall be schedule 40 carbon steel pipe. All condensate
return piping shall be schedule 80 carbon steel pipe. All joints shall
be welded. No flanged fittings shall be allowed. The University Office
for Capital Programs should be consulted in each case for availability
from all uses within a building must be discharged using steam powered
condensate pumps at the building into a pressure return main against a
head of not less than 50 psig. Any underground high pressure steam line
must be trapped and traps are to be accessible in a steam pit with
removable cover. Any high pressure traps discharging into a condensate
return line must have velocity eliminators in the line to prevent
hammering and potential damage to the condensate return line. Traps
shall be inverted bucket design. Consult with The University Office for
Capital Programs regarding specific discharge pressure for each project.
the event the underground steam service is not designed by the
consulting engineers for the steam distribution system, the following
standards will be applicable to the associate architects:
and preliminary specification data pertaining to the branch connections
to tunnels and tunnel mains must be presented to the University for
reviews as soon as possible in order that such designs may be reviewed
and approved by The University Office for Capital Programs.
design of the underground steam service is not to be incorporated in
the working drawings and specifications until such preliminary sketches
and specifications have been approved by The University Office for
of steam and condensate piping to buildings shall be in concrete
shallow or deep tunnels. The shallow tunnels shall be provided with
accessible-removable covers and may be installed so that the top of the
tunnel is at grade or in a subsurface configuration. Tunnel to be
- Direct buried conduit system use must first be approved by
University and if allowed, shall have an outer 10 gauge minimum steel
outer conduit of welded construction with factory applied polyurethane
foam, having a density of 2.0 to 3.0 pounds per cubic foot. The
insulation thickness shall be a minimum of 1 inch thick. The outer
jacket shall be high density polyethylene or fiberglass with a minimum
thickness of 150 mils. Outer conduit shall be tested at 15 psig air
pressure for at least four (4) hours. Inner steam pipe shall be
schedule 40 carbon steel. Condensate pipe shall be schedule 80 carbon
welded joints on the inner pipe shall be sealed with a chromate heat
and rust resistant paint and sectional insulation applied before the
outer casing is assembled. Joints in the inner pipe of 2 inch size and
smaller shall be of the socket weld type. Joints in the inner pipe
2-1/2 inches and larger shall be of the butt weld type with internal
welding rings. Inner pipe shall be tested hydrostatically at a pressure
of 225 psig for a period of at least 3 hours. All tests of both the
inner pipe and outer casing shall be witnessed by a representative of
The University Capital Programs before the pipe trench is backfilled.
provision for expansion and contraction of both mains in the tunnel and
the branch connections shall be made by means of loops or offsets.
Expansion bellows or slip joints are to be utilized only where
necessity dictates and if approved by the University.
valves in the underground steam and condensate service shall be as
follows: Low pressure steam 2-1/2 inches and larger for pressures up to
100 psig. shall be cast steel, weld end, wedge gate valve for 150#
steam service. All valves 2-1/2 inches and larger for pressures 150 to
300 psi. service shall be cast steel, weld end, wedge gate valve for
300# steam service. Valves 2 inches and smaller shall be forged steel,
bolted bonnet, socket weld, globe valve for 600# steam service.
- Drip traps on underground steam and condensate service shall
be forged steel, inverted bucket trap.
Insulation of steam and return inner pipe shall be calcium silicate.
Thickness of insulation shall be 1 inch for condensate return pipe, and
2 inches for high pressure steam up to 300 psig.
- Bedding for pipe shall be compacted coarse sand placed on
33 70 00 ELECTRICAL UTILITIES
- Primary Service Connections to Building:
- Facilities Management should be consulted for the primary electrical
distribution voltage available on the Chicago Campus. In general, the
primary electrical feeder cable for a building project shall be
furnished and installed by that project. This shall include necessary
switchgear, underground duct, high voltage cables, and electrical
manholes. All primary electrical feeders routed inside a building shall
be galvanized rigid steel conduit, properly bonded and grounded, and
with high voltage warning signs.
- Source of Electrical Power:
- The campus owned
distribution system on the East side of the Chicago
campus is the required source of electrical power for all building
projects. Special circumstances and remote locations, that incur
excessive costs, may necessitate the use of service provided by the
- Service Entrance Pullbox:
- The primary
service shall enter the building through a multi-cell
concrete duct envelope in the basement wall and not directly into the
unit sub-station. Provide a No. 12 gauge sheet steel pullbox over the
ducts, see Drawings. Box size shall be determined by the number of
ducts to be covered as well as the sizes of cables entering or leaving
the box. The box shall have screw-on cover and shall be painted with
two coats of gray enamel paint with "high voltage" stenciled on cover.
The depth of box shall be a minimum of 9 times the diameter of the
- Special Requirements:
- Extensions of
the primary distribution system shall be part of the
building design. Concept designs shall be reviewed by the University
before proceeding, and special instructions will be supplied to govern
this type of design.
- Provide a
single-line drawing showing the complete final building
distribution system, suitably framed in 24" x 36" size under glass to
be mounted in the substation or main switchgear room.
33 71 19 ELECTRICAL UNDERGROUND DUCTS AND MANHOLES
- Duct banks refer to utilities and not ventilation.
- See the Telecommunication Standard for underground
- Coordinate with University utility mapping archive program.
not interrupt utilities serving facilities occupied by Owner or others
unless permitted under the following conditions and then only after
arranging to provide temporary utility services according to
elevations of ducts and duct-bank entrances into manholes and handholes
with final profiles of conduits as determined by coordination with
other utilities and underground obstructions. Revise locations and
elevations from those indicated as required to suit field conditions
and to ensure duct runs drain to manholes and handholes, as approved by
Architect and the University.
all areas disturbed by trenching, storing of dirt, cable laying, and
other work. Restore vegetation and include necessary top-soiling,
fertilizing, liming, seeding, sodding, sprigging, and mulching. Comply
with Section 32 90 00 (Planting).
Building Entrances: Make a transition from underground duct
to conduit at least 10 feet outside the
building wall. Use fittings manufactured for this purpose. Follow the
appropriate installation instructions below:
- Notify Architect
and the University at least two (2) weeks in advance of proposed
Ducts: Install reinforcement in duct banks passing through disturbed
earth near buildings and other excavations. Coordinate duct bank with
structural design to support duct bank at wall without reducing
structural or watertight integrity of building wall.
Non-encased Ducts at Non-waterproofed Wall Penetrations: Install a
Schedule 40, galvanized steel pipe sleeve for each duct. Caulk
between conduit and sleeve with duct-sealing compound on both sides for
Wall and Floor Penetrations: Install a watertight entrance-sealing
device with sealing gland assembly on the inside. Anchor device into
masonry construction with one or more integral flanges. Secure membrane
waterproofing to the device to make permanently watertight.
33 71 19.13 ELECTRICAL MANHOLES AND HANDHOLES
- Manhole cover and frame shall be similar to Neenah Foundry Company, Neenah, WI, Series #R-1769-A. The cover and frame shall be constructed of gray cast-iron with a machine finished seat and shall be cast with the tag name "UIC ELECTRIC" in the top surface as indicated on the drawings.