Pavement Maintenance Management by Department of the Army - HTML preview

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by the appropriate amount.

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TM 5-623

SECTION PAVEMENT STRUCTURE RECORD

For use of this form, see TM 5-623; the proponent agency is USACE.

Figure 6-3. An example of a completed DA Form 5151-R, Section Pavement Structure Record.

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TM 5-623

Table 6-1. Material Codes

Material Codes.

100 Surface Materials*

110

Portland Cement Concrete

155

slurry seal

111

plain

156

fog seal

112

reinforced concrete pavements (RCP)

157

asphalt rubber chip

113

continuously reinforced concrete

158

fabric

pavement (CRCP)

159

dust layering

114

prestressed

115

fibrous

160

Preformed Joint Fillers

161

bituminous fiber

120

Asphalt Concrete

162

cork

163

self-expanding cork

130

Road Mix Bituminous Surface

164

self-expanding rubber

140

Sand-Asphalt

165

sponge rubber

141

plant mix

166

closed cell plastic

142

road mix

170

Joint and Crack Sealers

150

Surface Treatments

171

hot-poured

151

single-layer aggregate seal

172

cold-poured

152

double-layer aggregate seal

153

three- or more layer aggregate seal

180

Others

154

sand seal

200 Treated or Stabilized Materials

210

Cement Treated

240

Asphalt-Treated Plant Mix

211

gravel and crushed stone

241

crushed stone

212

sand

242

gravel

213

silt and clay

243

sand

220

Lime-Flyash Treated

250

Asphalt-Treated Road Mix

221

gravel and crushed stone

251

crushed stone

222

sand

252

gravel

223

slag

253

sand

230

Lime-Treated Fine-Grained Soil

280

Others

300 Untreated Materials

310

Crushed Stone

333

high fines content

311

well-graded

312

poorly graded (one-sized)

340

Fine-Grained Soils

313

high fines content

341

sandy silt

342

silt

320

Gravel

343

clayey silt

321

well-graded

344

sandy clay

322

poorly graded

345

silty clay

323

high fines content

346

clay

347

organic silt

330

Sand

348

organic clay

331

well-graded

332

poorly graded

380

Others

*For unpaved roads, refer to treated or untreated materials list for identification purposes.

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TM 5-623

SECTION MATERIALS PROPERTIES RECORD

For use of this form, see TM 5-623; the proponent agency is USACE.

Figure 6-4. An example of a completed DA Form 5152-R, Section Materials Properties Record.

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TM 5-623

Table 6-2. Typical Layer Materials Properties

1.

Asphalt Concrete (Surface, Leveling, Base):

4.

Subgrade:

Marshall stability (pounds)...Asphalt content (%)

Unified classification .................Liquid limit

Flow (0.01 inch) ..................Unit weight

CBR ..........................................Optimum moisture

(pounds/cubic foot)

control (%)

Air voids (5) ........................Asphalt penetration

K-value (pounds/square inch)....In-situ moisture content

(millimeters x 101)

(%)

Plasticity index ..........................In-situ dry density (% of

2.

Portland Cement Concrete (PCC):

optimum)

Modus of rupture (pounds/square inch)

Compressive strength (pounds/square inch)

(a) The volume of traffic for traffic type a was found

Entrained air (%).................

on the traffic survey of September 1978 to be 2500.

Water/cement ratio (gallon/sack).

Looking down column a, table 6-3, that value (2000-

3999) was located. Looking horizontally to the far right

3.

Base-Subbase Materials:

the column identified as "Volume Index" was reached at

k-value (pounds/square inch)

5. That value 5 was recorded on the form as the

CBR....................................

volume index for type a traffic for the survey date 9/78.

In-situ dry density (% of optimum).

(b) The volume of traffic for traffic type b was found

In-situ moisture content.......

on the traffic survey of September 1978 to be 85.

Looking down column b, table 6-3, that value (50-199)

was located. Looking horizontally to the far right the

Table 6-3. Traffic Volume Index for Roads

TRAFFIC TYPE

a

Passenger, panel and pickups.

b

Two-axle trucks and buses; also half-or full-track vehicles less than 20 kip, and fork lift trucks less than 5 kip.

c

Trucks with three or more axles. Also half- or full-track vehicles 20-40 kip, and forklift trucks 5-10 kip.

d

60-kip track vehicles and/or 15 kip forklifts. Number of operations per lane per day for tracked vehicles 40-60 kip and/or forklift trucks 10-15 kip.

e

90 kip track vehicles and/or 20 kip forklifts.

f

120 kip track vehicles and/or 35 kip forklifts.

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TM 5-623

"Volume Index" was reached at 3. That value 3 was

section is inspected by sampling, the number of random

recorded on the form for type b traffic.

and additional units surveyed is recorded. If all sample

(c) The volume of traffic for traffic type

units are surveyed, the number is recorded as random

c was found on the traffic survey to be 15. Looking

units.

down column c, table 6-3, that value (10-49) was

(g) The PCI range is computed, by

located. Looking horizontally to the far right the

subtracting the lowest sample unit PCI from the highest

"Volume Index" was reached at 2. That value 2 was

sample unit PCI, and recorded (in the example, 20).

recorded on the form for type c traffic.

(h) The minimum number of sample

(d) The volume of traffic for traffic

units to be surveyed is determined and recorded (in the

types d, e, and f was zero. The "Volume Index" was example, 5). Determination of minimum number of

therefore zero and that value was recorded on the form

sample units to be surveyed is described in chapter 3. If

for traffic types d, e, and f.

the minimum number of sample units required is greater

(e) The volume indices for the traffic

than the number of random units surveyed, more units

survey of August 1979 was determined as indicated

must be selected at random and surveyed.

above for the 1978 survey. The values determined

(I) The pavement type is determined

( a=6, b=4, c=1, d=0, e=0, f=0) were recorded on the and recorded. (In the example, AC is marked to

form for the survey dated 8/79.

indicate asphalt-surfaced pavement. If the pavement

(2)

Space is provided at the bottom of Form

had been concrete, PCC would have been marked.)

5153-R marked "Parking Lots-Airfields-Other." This

(j) The section dimensions and area

space should be used for describing the type and

are marked (in the example, 25 feet by 500 feet, 1388

volume of traffic using facilities other than roads. For

square yards).

example, if the pavement section being considered is a

(k) The method of determining the

parking lot, the description of traffic can be, "The

section distress data is marked. (In the example,

dominant type of vehicle using the parking lot is

"Actual Quantities" is marked because the entire section

passenger cars, averaging 12 hours per day." This

was inspected. If inspection by sampling was used the

information is used when evaluating the existing

circle next to extrapolated quantities should be marked.

pavement section or when designing a new cross-

(l) Once it has been determined that a

section.

sufficient number of sample units have been surveyed,

the section distress data portion of the form can be

g. DA Form 5154-R, Section Condition Record.

completed. If actual quantities are used (i.e., the entire

The Section Condition Record stores data obtained from

section inspected), the section's values are found by

the condition survey of the section's sample units and

totaling the quantity of each distress type and severity

summarizes the distress found in the section.

level. The section density and deduct values are then

(1)

A completed DA Form 5154-R is shown

computed as normally done for a sample unit (See para

as an example in figure 6-6. The form is completed as

3-5d(1) for asphalt pavements and para 3-5d(2) for

follows:

concrete pavements). (In the example the distress

(a) The installation name, the branch

portion of the form has been completed starting with

name, the date and the section number is recorded at

Distress Type 1, Severity Level L, Quantity 30, Section

the top of the form.

Density .24 and Deduct Value 4.)

(b) The average PCI of the sample

(m) The deduct values are totaled (in

units (in the example, 70) is recorded as well as the

the example, 47).

condition rating (good).

(n) On the last line of the form the

(c) Ratings for ride quality, safety, and

percent deducts related to structural, environmental, or

drainage are recorded by marking the appropriate space

other conditions is marked (in the example, 75 percent

(G for good, F for fair, P for poor). In the example the

structural, 25 percent other).

ratings are good. The ratings on the form are for

general information since the PCI accounts for each of

(2)

The completed Section Condition Record

these factors through distress types.

with distress information can be used to evaluate M&R

(d) The total number of sample units in

requirements and to provide quantities of repair for cost

the section is recorded (in the example, 5).

estimates. It is very important to note that the deduct

(e) The number of random units

surveyed is recorded. In the example, five units (all the

units) were surveyed.

(f) The number of additional units

surveyed is recorded (in the example, zero). If the

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TM 5-623

SECTION TRAFFIC RECORD

For use of this form, see TM 5-623; the proponent agency is USACE.

Figure 6-5. An example of a completed DA Form 5153-R, Section Traffic Record.

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TM 5-623

values determined from these data cannot be used to

(3)

The percent of deducts relating to

complete the PCI of the section.

structural, environmental, or other conditions are used

when performing the section evaluation described in

chapter 4.

SECTION CONDITION RECORD

For use of this form, see TM 5-623, the proponent agency is USACE.

Figure 6-6. An example of a completed DA Form 5154-R, Section Condition Record.

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TM 5-623

h. DA Form 5155-R, Branch Maintenance and

similar to that kept on DA Form 5155-R, except that the

Repair Requirements. This form stores information on

completion date of M&R is listed for each activity and

required M&R activities; it is completed by using

the cost should be the actual cost of M&R rather than an

information previously recorded on DA Forms 5150-R

estimate. A completed DA Form 5156-R is shown as an

through 5154-R. A form should be completed for each

example in figure 6-8. The form was completed similar

branch of the pavement network. For a detailed

to DA Form 5155-R. The actual rather than the

explanation of how to determine M&R requirements, see

proposed thickness, quantity and cost were recorded.

chapter 4.

(1)

A completed DA Form 5155-R is shown

6-4. Manual record keeping system-general

as an example in figure 6-7. The form was completed

The manual record keeping system consists primarily of

as follows:

the nine forms described in paragraph 6-3. Those forms

(a) The installation name, date, branch

are used for information storage. To use data

name and total number of sections in the branch was

efficiently, this information must be stored in an orderly

recorded at the top of the form. (In the example there

fashion. Figure 6-9 is an example of such a system; it

are 6 sections in the branch.)

can be described as follows:

(b) All branch maintenance and repair

a. Branch summary. One folder stores the network

work required was listed. The section number where the

inventory. This is the information recorded on DA Form

work was needed was recorded. The work item was

5149-R, Branch Identification Summary.

described. The work class was recorded ( M for

b. Branch identification information. One folder

maintenance, rather than R for repair, or C for new

stores branch identification information. This folder

construction). The location of the proposed work ( R for

serves as a heading card and as the storage slot for DA

roadway, rather than PL for parking lot, A for airfield, or

Form 5155-R, M&R Requirements. (This allows

O for other) was recorded. The thickness of the

anticipated maintenance activities for each section of

proposed work was recorded. The quantity of the work

the branch to be stored in one location.) The branch

item was recorded. The estimated cost of the work item

identification forms should be filed in the order shown on

was recorded. The priority that the work item rated was

the DA Forms 5149-R, Branch Identification Summary.

recorded. A final column provides space for recording

c. Branch sections. After the Branch Identification

the date the work item is completed.

Summary forms, a series of file folders should be

(c) The lower area of the form is for

provided for each section of the branch. One folder

remarks. An appropriate comment was recorded.

each is provided for DA Forms 5149-1-R, 5150-R, 5151-

(2)

The information on the Branch M&R

R, 5152-R, 5153-R, and 5154-R. (These forms contain

Requirements form may change frequently. For

basic information on the section.)

example, when a work item is completed, other priorities

d. Inspection forms. Field survey data on the

may change. So the date of completion of the work

sample unit inspection sheets should be retained. This

item must be recorded and priorities updated at that

information is included on the DA Form 5154-R, Section

time.

Condition Record (fig 6-6); however, the inspection

(3)

Since the information on the Branch M&R

sheets can help verify data, and would be essential if

Requirements form(s) changes frequently, a new form

the installation wanted to convert from the manual

should be made when necessary. Information on

PAVER system to a computerized PAVER system.

completed M&R activities should always be transferred

to a DA Form 5156-R, Section Maintenance and Repair

6-5. Record upkeep

Record, as a permanent record.

Once the initial division of the pavement network into

branches and sections has been completed, the filing

I. DA Form 5156-R, Section Maintenance and

system can be started. As the initial inspections take

Repair Record. This form stores information on

place, the information on DA Forms 5149-1-R through

maintenance and repairs that have been completed. It

5153-R can be compiled. As branches are completed,

can be compiled from data from DA Form 5155-R and

data analyses can begin (chap 4).

as-built records. A separate form is used for each

a. Updating forms. Forms must be updated once

section; this allows the expenditures for maintenance of

maintenance activities begin. If overlays or surface

each section to be monitored. This type of information

treatments are applied, the DA Form 5151-R, Section

may be valuable when determining M&R requirements

or when performing economic analyses on other

sections. The information on DA Form 5156-R is very

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TM 5-623

BRANCH MAINTENANCE & REPAIR REQUIREMENTS

For use of this form, see TM 5-623; the proponent agency is USACE.

PAGE 1 OF 1

Figure 6-7. An example of a completed DA Form 5155-R, Branch Maintenance and Repair Requirements.

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TM 5-623

SECTION MAINTENANCE AND REPAIR RECORD

PAGE 1 of 1

For use of this form, see TM 5-623; the proponent agency is USACE.

Figure 6-8. An example of a completed DA Form 5156-R, Section Maintenance & Repair Record.

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TM 5-623

Pavement Structure Record Card, must be updated.

severity’s. Until data are compiled, sections should be

Also, as work is completed, information from the DA

reviewed at least annually to observe this change in

Form 5155-R, Branch M&R Requirements, must be

condition. Once the rate of deterioration is determined,

transferred to the DA Form 5156R, Section M&R

sections with low rates may be inspected at more

Record. Performance of maintenance activities will also

infrequent intervals. If the filing system is updated

change the condition of the section; thus, the condition

continuously as work is performed and inspections are

survey should also be updated.

completed, it should not be necessary for the pavement

engineer to perform a condition survey of the entire

b. Updating of condition survey. If a section

system all at one time.

receives no maintenance, the condition survey should

c. Economic analysis. Any economic analysis

be updated based on the rate of deterioration. Initially,

performed to determine M&R strategies for given

this rate can be estimated by briefly inspecting the

sections should also be filed with the section information

section to observe changes in distress types or

cards.

Figure 6-9. Example of a filing sequence for a manual record keeping system.

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TM 5-623

CHAPTER 7

DATA MANAGEMENT-COMPUTERIZED PAVER SYSTEM

7-1. Purpose

each automated system report, including content and

a. Computerized data management. The manual

use, is contained in appendix D.

data management sy