Precast • Issue 1 • 2020

Page 17

of SA’s legal quarrying industry will the construction of appropriate infrastructure be able to take place. This is according to the director of mining industry association ASPASA, Nico Pienaar, who says the quarrying industry in SA is technically advanced

QUARRIES ESSENTIAL TO A SUSTAINABLE CONSTRUCTION INDUSTRY

and able to supply materials for modern construction techniques. However, many of the country’s quarries are under threat due to illegal operations and ill-considered borrow pits, which are undercutting the prices of formal quarries and bringing many to their knees. Pienaar warns that without wellmanaged quarries operating in our towns and cities, the cost of construction will become unaffordable for government, developers and home-owners. If the quarries are allowed to disappear, we will see similar problems arise to those of the Eskom energy and water crisis, where too little is done too late – and the country’s citizens will bear the brunt. No tomorrow “Imagine if we needed specialised materials to build a dam wall, tunnel or hospital, or private contractors needed high-strength concrete for mine shafts, high-rise buildings or advanced new construction techniques. Imagine if we couldn’t supply them because our formal quarrying industry’s mining experts, blasting professionals, mineral processing engineers and skilled workers had left the sector, due to the quarries closing. Illegal miners and small-scale borrow pits have neither the skills nor the expensive capital equipment to produce such materials,” says Pienaar. “By supporting illegal miners or establishing ill-considered borrow pits to meet shor t-term construction requirements more cheaply, government departments, municipalities and construction firms would be complicit in the demise of our quarries, which would then inevitably lead to the demise of the formal construction industry in SA. While short-term price gains may seem attractive, they undermine the livelihoods of thousands of workers who’re gainfully employed in the formal quarrying sector with its strenuous health, safety and

PRECAST | ISSUE ONE | 2020

environmental laws, as well as compli-

growth, a strong demand for infrastruc-

ance with employment criteria,” he adds.

tural development is required and this

He explains that quarries, by their

needs to be supported by legal quarry

nature, need to be situated either in or

operations in every town and city. “We’re

near towns and cities to avoid expensive

calling on government, contractors,

transport costs that would make them

developers and the formal construction

unaffordable. All too often, residents

industry to recognise the important roles

only see the negative side of quarrying,

played by well-resourced, well-equipped,

such as the use of heavy equipment

formal quarries and to support them in

on site, blasting or increased heavy

the interests of sustainable construc-

vehicle traffic and become upset at the

tion,” says Pienaar.

thought of having a “big, dirty” quarry nearby. These people don’t realise that formally registered quarries belonging

Quarries create employment for

to the association are far from being

surrounding communities

bad neighbours.

The value of well-run quarries in our cities and towns was recently

Compliance matters

underscored by research suggest-

L egal quarries which ar e member s

ing that every job in the quarrying

of ASPASA must obtain

industry creates a further five

mining, water usage and

jobs in downstream operations.

environmental permits and

These figures therefore sug-

have to abide by the strict-

gest that quarries are major

est regulations possible in

contributors to regional job crea-

order to begin quarrying op-

tion efforts and, as an industry,

erations. Once in operation,

are a major driver of the national

they are heavily regulated

economy, accounting for substan-

(in terms of the impact on

tial revenues and the creation of

surrounding communities)

direct and indirect employment.

and must comply with strin-

Research done in the USA by

gent regulations relating to noise, dust

the Phoenix Centre for Advanced

and water pollution, among others. An

Legal & Economic Public Policy

additional benefit is the creation of direct

Studies shows that quarries are

and indirect jobs that are sustainable

not only beneficial to the develop-

over a long period.

ment of physical infrastructure,

In fact, the quarry industry has never

but are major contributors to the

been more responsible and committed to

building of strong local economies.

the communities in which they operate.

It also shows that these benefits

With government’s commitment to build-

last for at least 20 years.

ing new homes and the rising population

INDUSTRY NEWS

Only with the co-ordinated ef f or ts

13


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CUSTOM-MADE PAVERS REVITALISE PEDESTRIAN WALKWAY IN CAPE TOWN

2min
page 36

CAST-STONE COBBLES COMPLEMENT NEW CENTURY CITY PARKADE

1min
page 39

PRECAST FACILITATES SHOPPING MALL OVER BUSY RAILWAY LINE

9min
pages 40-44

SA ARCHITECTURE SHAPES UP WITH DECORATIVE TILT-UP CONCRETE

5min
pages 34-35

JOHANNESBURG TWIN-DECK HIGHWAY BRIDGE REPAIR

4min
pages 37-38

ADVANTAGES OF CONCRETE PARKING AREAS

3min
page 33

GREENER AGGREGATES FOR CONCRETE

2min
page 32

PRODUCT OFF-PACKING SYSTEMS

2min
page 31

SETTING UP AN EFFICIENT WALL PRODUCTION LINE

4min
pages 26-27

SOLUTIONS FOR THE PRECAST INDUSTRY

2min
page 24

AWARD FOR TOILET DESIGN

1min
page 23

VERSATILE PRECAST CONCRETE EQUIPMENT SHELTERS

1min
page 25

ART AT THE LEONARDO

5min
pages 29-30

NEW LABORATORY PROVIDING SOLUTIONS

2min
page 22

CONTRIBUTING TO SPORTS DEVELOPMENT

2min
page 21

CONCRETE OFFERS SUPERIOR STRUCTURAL INTEGRITY

1min
page 20

THE REAL THREAT OF USING SUB-STANDARD CEMENT

3min
pages 15-16

CONCRETE PIPING PROVIDES UNMATCHED DURABILITY

3min
page 18

BUILDING A RISK-READY CONSTRUCTION INDUSTRY

3min
page 11

SOCIAL MEDIA SOLUTIONS FOR THE PRECAST INDUSTRY

3min
page 10

QUARRIES ESSENTIAL TO A SUSTAINABLE CONSTRUCTION INDUSTRY

3min
page 17

PICP - A CASE FOR REGULAR PERFORMANCE TESTING AND MAINTENANCE

6min
pages 12-14

USAGE PHASE OF CONCRETE IS GREENER

3min
page 19

PRECAST WALLING IS THE SAFEST OPTION

5min
pages 8-9
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