[Adopted as Ch. 107, Arts. XI and XII, of the 1970 Code;
amended in its entirety 4-4-1994 by L.L. No. 1-1994]
In the laying, relaying and repair of sidewalks, curbs and gutters
and the laying of water and sewer pipes under § C82 of the
Charter, the Commissioner of Public Works may specify the character
of the material and work required.
Concrete sidewalks and curbings hereafter laid in any highway
shall conform to the following specifications:
A.
Sidewalks, driveways, bikeways and paving.
(1)
Grade of sidewalk.
(a)
On application by any person, the City Engineer will establish
the grade of the sidewalks and curbs in front of his premises. All
sidewalks and curbs shall be built to grade.
(b)
No concrete sidewalk or curb shall be constructed until grades
have been established nor otherwise than in accordance with these
specifications.
(2)
Construction of sidewalk. These guidelines are to be considered minimum.
The City of Saratoga Springs reserves the right to make field adjustments
for unforeseen or unusual field conditions.
(a)
The minimum width shall be 5.0 feet. When the new installation
meets the existing sidewalk, the front edge of last five feet of the
new sidewalk shall taper to meet the existing sidewalk for width and
elevation.
(b)
The back of the new sidewalk shall be on the same line as the
original sidewalk.
(c)
New sidewalk shall be a minimum of four inches thick, 3,000
pounds per square inch portland cement concrete, entrained air 5%
to 7%, supported on a six-inch compacted gravel base.
(d)
Expansion joints shall be of one-half-inch bituminous joint
material of full depth and shall not exceed 20 feet.
(e)
New concrete sidewalk shall be sloped toward the street at a
minimum of 1/4 inch per foot and a maximum of 1/2 inch per foot.
(f)
The finish shall be a fine-broomed texture at right angles to
the run of the sidewalk.
(g)
Dummy joints shall be male with an acceptable jointing tool
at nominal five-foot spacing. Edges shall be tooled with an acceptable
edging tool.
(3)
Sidewalks, driveways, Class 1 bikeways, brick paving and grouted
stone block paving.
(a)
Description. This work shall consist of the construction of
either a portland cement concrete sidewalk, an asphalt concrete sidewalk,
an asphalt concrete driveway, a Class 1 bikeway, brick paving or grouted
stone block paving. All work shall be in accordance with these specifications
and in reasonably close conformity with the lines and grades shown
on the plans or established by the Engineer.
(b)
Materials.
[1]
Materials shall meet the requirements specified in the following
subsections of Section 700, Materials:
[a]
Portland cement: 701-01.
[b]
Bituminous materials (as specified): 702-00.
[c]
Asphalt cement for paving: 702-02 or 03.
[d]
Fine aggregates: 703-01.
[e]
Coarse aggregates: 703-02.
[f]
Cushion sand: 703-06.
[g]
Mineral filler: 703-08.
[h]
Premolded bituminous joint filler: 705-07.
[i]
Mortar for stone curbs: 705-20.
[j]
Wire fabric for concrete reinforcement: 709-02.
[k]
Water: 712-01.
[2]
Portland cement concrete sidewalks and driveways. The material
requirements and composition shall comply with the specifications
for Class A concrete in Section 501-2 under Portland Cement Concrete
- General. Concrete shall be proportioned in accordance with the aggregate
weights specified for Class A concrete in Table 501-3, Concrete Proportions.
(4)
Construction details.
(a)
Concrete sidewalks and driveways.
[1]
The general construction details for manufacturing, transporting
and placing concrete shall meet the requirements of Section 501, Portland
Cement Concrete - General. Curing of concrete shall meet the requirements
of Section 502, Portland Cement Concrete Pavement, except that when
a membrane curing compound is used it shall be clear unless otherwise
permitted by the Engineer.
[2]
The concrete shall be placed in one course to the full depth
shown on the plans.
[3]
Wire fabric for concrete reinforcement, Section 709-02, shall
be embedded at mid-depth in the slab.
[4]
The wire fabric shall consist of No. 6 gauge wire at six-inch
centers transversely and longitudinally.
[5]
Transverse construction joints shall extend to the full depth
of the slab and be spaced 20 feet to 25 feet apart. The edges of such
joints shall be finished with an edging tool having a one-fourth-inch
radius.
[6]
The concrete surface shall be scored at intervals of three to
five feet so that the finished walk will be marked in squares. The
concrete shall be finished to produce a smooth surface and then lightly
broomed to a uniform texture.
[7]
A premolded bituminous joint filler, Section 705-07, shall be
installed at all joints between sidewalk and curb pavement, building,
etc.
(c)
Brick paving.
[1]
All brick pavers shall be laid in the pattern shown on the plans
or as directed by the Engineer to provide a uniformly even surface.
Joints shall be handtight unless otherwise specified. No brick pavers
shall be laid or grouted in freezing weather.
[2]
A dry mixture of mortar for brick paving shall be swept over
the brick pavers until the joints are completely filled and the joints
lightly fogged with water. Brick pavers shall be cleaned of excess
mortar and joints finished prior to the mortar setting up. All brick
paving shall be kept moist for four days after filling the joints
with mortar. After the four-day curing period, removal of the remaining
mortar film may be accomplished by the use of a light acid wash [10%
solution of hydrochloric or muriatic acid] followed by flushing clean
with water or as approved by the Engineer. Care shall be taken to
avoid the use of acid in areas where runoff could damage trees or
other vegetation.
[3]
All brick pavers used over tree pits shall be laid in a three-inch
bed of cushion sand with sandfilled joints.
[4]
Brick paving (sand setting bed). Brick pavers shall be laid
in a properly compacted three-inch bed of cushion sand over the specified
subgrade.
[5]
Brick paving (mortar setting bed). Brick pavers shall be laid
in a bed of mortar with a minimum thickness of one inch over the specified
concrete or bituminous subgrade.
[6]
Brick paving (bituminous setting bed). Brick pavers shall be
laid in a three-fourths-inch thick bituminous setting bed over the
specified concrete or bituminous subgrade. The setting bed shall consist
of asphalt cement meeting the requirements outlined in either Section
702-02 or Section 702-03 mixed with fine aggregate meeting the requirements
of Section 703-01. The asphalt cement shall be 7.0% of the total batch
weight. The mix shall be heated to approximately 325° F.). A coating
of neoprene-modified asphalt adhesive shall be applied by mopping,
squeegeeing or troweling over the top surface of the setting bed to
provide bond under the bricks.
[7]
Brick paving (sand-cement setting bed). Brick pavers shall be
laid on a two-inch setting bed of sand cement over the specified subgrade.
The sand-cement setting bed shall not be placed more than four hours
prior to the installing the brick paving.
[8]
Brick paving (optional concrete setting bed). The contractor
shall have the option of installing brick paving by one of the following
methods:
[a]
Bricks shall be laid on a bed of cement concrete
as specified on the plans. The bricks shall be laid in the cement
concrete while it is still fresh, as approved by the Engineer, and
they shall be rammed into position to provide a uniformly even surface
and a solid bedding under each stone block.
[b]
Bricks shall be laid as provided for under Subsection A(4)(c)[5], Brick paving (mortar setting bed), provided that the finished surface shall conform to the lines and grades shown on the plans.
(d)
Grouted stone block paving.
[1]
All grouted stone block pavers shall be laid in the pattern
shown on the plans or as directed by the Engineer to provide a uniformly
even surface. Joints between blocks shall be a maximum of 1 1/4
inches or as specified. No blocks shall be laid or grouted in freezing
weather.
[2]
Unless otherwise approved by the Engineer, a dry mixture of
mortar as specified for brick paving, Section 608-2.03, shall be swept
over the stone blocks until the joints are completely filled and the
joints lightly fogged with water prior to the mortar setting up. All
grouted stone block paving shall be kept moist for four days after
filling the joints with mortar. After the four-day curing period,
removal of the remaining mortar film may be accomplished by the use
of a light acid wash [10% plus or minus solution of hydrochloric acid]
followed by flushing clean with water, or as approved by the Engineer.
Care shall be taken to avoid the use of acid in areas were runoff
could damage trees or other vegetation. All blocks used over tree
pits shall be laid as shown on the current tree planting standard
sheet or as shown on the plans.
[3]
Grouted stone block paving (sand setting bed). Blocks shall
be laid in a three-inch bed of cushion sand over the specified subgrade.
[4]
Grouted stone block paving (mortar setting bed). Blocks shall
be laid in a bed of mortar with a minimum thickness of one inch over
the specified concrete or bituminous subgrade.
[5]
Grouted stone block paving (sand-cement setting bed). Blocks
shall be laid on a two-inch setting bed of sand-cement over the specified
subgrade. The sand-cement setting bed shall not be placed more than
four hours prior to installing the block paving.
[6]
Grouted stone block paving (optional concrete setting bed).
The contractor shall have the option of installing grouted stone block
paving by one of the following methods:
[a]
Blocks shall be laid on a bed of cement concrete
as specified on the plans. The blocks shall be laid in the cement
concrete while it is still fresh, as approved by the Engineer, and
they shall be rammed into position to provide a uniformly even surface
and a solid bedding under each stone block.
[b]
Blocks shall be laid as provided for under Subsection A(4)(d)[4], Grouted stone block paving (mortar setting bed), provided that the finished surface shall conform to the lines and grades shown on the plans.
B.
Curbing, gutters and concrete mall.
(1)
Description. This work shall consist of the construction of the curb,
gutter, concrete mall or combination curb and gutter and resetting
of the old curb in accordance with these specifications and the lines
and grades shown on the plans or established by the Engineer.
(2)
The types of curbing and work covered by these specifications are
as follows:
(a)
Stone curb (Types A, B, C, D, E, sloped and economy).
(b)
Stone curb, granite (Types A, B, C, D and as indicated).
(c)
Stone curb, bridge (Types A, F1, G1, M, R1, R2, S, T1 and T2).
(d)
Conventionally formed or machine-formed concrete curb (Types
AB, AC, BB, BC and as indicated).
(e)
Conventionally formed or machine-formed concrete curb and gutter
(Types BB, BC, C and as indicated).
(f)
Concrete curb, integral (Type A1).
C.
Pedestrian ramps. All sidewalks and curbing hereafter constructed
or reconstructed shall be designed and constructed to allow reasonable
access to pedestrian crosswalks for physically handicapped persons.
The design and construction of pedestrian ramps shall conform to the
standards of the City Engineer.
