The hidden remains of Sentosa’s big WW2 guns

14 12 2022

Do note:

The photographs of the remains of Connaught Battery contained in this post were taken during a recent recce accompanied by a member of Sentosa’s staff. Do note that the area in which the remains are found is out of bounds. It contains a number of hazards and it is not only not advisable not to visit the area without the necessary permissions and supervision, you would also be trespassing if you do so.


The remains of Connaught’s No 3 Gun emplacement.

Hidden in the vegetation of Sentosa’s two easternmost elevations just a stone’s throw away from one of Singapore most luxurious residential quarters, are the remains of its guns from the era of the Second World War. The better known of the two elevations, is of course Mount Serapong, which has been made accessible through public tours. A second set of guns, three 9.2 inch guns, were placed on the neighbouring elevation. These went into action during the Second World War, and were turned north and north-west to fire towards advancing Imperial Japanese Army troops in the direction of the Causeway, Jurong and Bukit Timah. All available ammunition, a large proportion of which were armour piercing and therefore ineffective against the advancing foot soldiers, was used before the guns were spiked and destroyed on 14 February 1942 — a day before Singapore capitulated. What remains of Connaught Battery include the badly damaged No 3 gun emplacement, a Battery Observation Post and an underground magazine, a retaining wall of the underground structure and several ventilation and other openings.

BEFORE THE FALL OF SINGAPORE, C. 1942
One of Connaught Battery’s 9.2 inch guns with its concrete emplacement.
BEFORE THE FALL OF SINGAPORE, C. 1942 © IWM (K 714)
Another view of the No 3 Gun Emplacement (inside – the shaft and opening for the ammunition hoist can be seen)
A Battery Observation Post
Fittings for railings and a hinge on the emplacement
Inside the BOP
Inside an underground magazine (note the red brick cavity wall)
The cavity wall arrangement, which was possibly installed for moisture control
A view up the ammunition hoist

Background to the development of Sentosa’s Coastal Defence Positions and Connaught Battery

For large parts of its history, Sentosa was not as tranquil an island as its name would suggest. The so-called isle of tranquility, was previously called Blakang Mati, a name that carries with it a suggestion of death or even violence, even if little seems to be known about the origins of a name that it was known by since at least the early 17th century.1 Blakang Mati was also an island that has long had a reputation of being a pirates’ lair. This seemed to be the case as far as the 14th century, with the accounts of Yuan dynasty Chinese voyager, Wang Dayuan, describing what is now thought to be the waters in the area of the island as being infested with pirates2.

While an air of tranquility may have descended on the island following the Honourable East India Company’s (EIC) entry into Singapore with its second Resident, Dr John Crawfurd, describing it as a “beautiful and romantic spot”3, the spectre of death seem to still hang over Blakang Mati. Outbreaks of “Blakang Mati Fever” occurred. These were “of so deadly a character as to carry off three quarters of those attacked”, prompting some of those who settled on the island to flee in “fear and horror”.

The threat posed by “Blakang Mati Fever” however, did little to stop the one square mile island from being turned into one of Singapore’s most heavily armed and fortified square miles. Suggestion were in fact made as early as 1843, for an infantry garrison to be placed on the island as part of a plan to defend Singapore. While little came out of this plan in relation to Blakang Mati, the threat posed by Imperial Russia through it establishing a base in 1872 at Vladivostok on land it acquired from China, and the fact that advances in naval shipbuilding had greatly improved the speed, range, armour, and armament carrying capability of warships, prompted the building up of a coastal defence system to protect the Singapore and New Harbour. Measures taken included the placement of coastal artillery batteries on Blakang Mati. By 1878-79, batteries with fortifications were established at Fort Blakang Mati East (renamed Fort Connaught in 1890 to commemorate the visit of the Duke of Connaught to Singapore) and Fort Siloso. This effort also saw an infantry redoubt built at Mount Serapong.

Blakang Mati’s coastal defence positions and armaments on Sentosa would see overhauls over the years. Among the upgrades was the setting up of a battery at Mount Serapong following a review undertaken in 1885 with Singapore’s growing importance as a coaling station ii mind. Another upgrade, made from 1907 to 1911, came in the wake of Japanese successes in the Russo-Japanese War. This saw the battery at Mount Imbiah added, which was completed in 1912 with Fort Connaught’s battery being decommissioned as a result of it. Imbiah Battery would itself be decommissioned in 1937, when a rebuilt Connaught Battery came into play. The battery, along with a battery at Mount Serapong, remained in service up to the time of the Second World War. The rebuilding of Connaught Battery resulted in the removal of all traces of the 19th century fortifications of Fort Connaught.

While the guns at Serapong seemed to have been damaged during Japanese air raids in January 1942, the three guns at Connaught Battery were turned northwards and were fired in the direction of the Causeway and later at advancing Japanese troops at Jurong on 11 Feb 1942 and Bukit Timah on 12 Feb 1942, expanding all the available ammunition, before being spiked and destroyed on 14 Feb 1942.

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1 The first instance of the island being positively identified as Blakang Mati was through a map made by the Malacca-based Manual Godinho de Erédia. This was published in 1604 to aid in the discovery of the legendary islands of gold. In the map, the island is identified as “Blacan Mati” with the “c” being pronounced as a hard c.

2 In Wang Dayuan’s accounts contained Daoyi zhilüe (島夷誌略) or “Description of Barbarians of the Islands”, he provides a description of a pirate infested “Longyamen” (龍牙門) or Dragon-Teeth Gate, which is now believed to have been a reference to the pair of rocky outcrops at Tanjong Rimau at the western end of Blakang Mati and across the waters at Tanjong Berlayer. Known as “Lots Wife” to the British, they were removed to widen the entrance to New Harbour (Keppel Harbour) in 1848.

3 Among the early uses of the island in the early days of EIC Singapore was the installation of a flagstaff on the island’s highest peak, Mount Serapong, in 1833. The island would also find use for the cultivation of pineapple, jackfruit, guava and chempedak with three villages being established. One was Kampong Ayer Bendera, which was named after the flagstaff. This was located at the foot of Mount Serapong and inhabited primarily by Bugis. There was also a Malay village in the area known as Kampong Serapong, while the third village was Kampong Blakang Mati, another Bugis village. A few Chinese also found their way to the island.


More photographs:


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The real story behind Old Changi Hospital

11 09 2017

The real story behind Old Changi Hospital, isn’t about what the place seems to have got an unfortunate reputation more recently for.  The former hospital, which has its roots in the RAF Hospital set up after the war in 1947, is a place that many who were warded or who worked there remember with fondness.

The hospital, with a reputation of being one of the best military medical facilities in the Far East, is also well remembered for the wonderful views its wards provided of the sea and that it was felt aided in rest and recovery.

Members of the public got to learn about the background to the hospital and how some of the basis for the more recently circulated myths are quite clearly false during a visit to the site as part of the Discovering Singapore’s Best Kept Secrets series of State Property Visits organised with the support of the Singapore Land Authority. More on the visit and the series can also be found at the links below.

More on the visit:

More on Old Changi Hospital / Discovering Singapore’s Best Kept Secrets:

Also of interest:





The ruins on Sentosa

3 02 2017

Sentosa, or the island of peace and tranquility and now also of posh homes, fancy boats and overpriced hotels, was once the rather sinister sounding Pulau Blakang Mati – the island of death at the back. No one seems quite sure of the origins of the name, although there have been several suggestions including one that is tied to the legend that Pulau Tekukor to Blakang Mati’s south had once seen duels to the death pitting Bugis warriors against ones from the Malay world.

Ruins on Mount Serapong.

It was in putting up a deference to violent confrontation that was to be Blakang Mati’s purpose for a large part of British rule. Strategically positioned, it served not only as a natural breakwater for the new harbour. Endowed with high points, it was only a matter of time before guns to protect the harbour from seaward attack were positioned on the island. The idea was in fact already mooted by William Farquhar, Singapore’s first resident, as early as 1820 – a year after the British arrived.

The first military installations would however only come up in the late 1800s. Undeterred by outbreaks of malaria and “Blakang Mati fever”, fortifications requiring extensive use of concrete – then newly introduced to Singapore, were constructed at the end of the 1870s on Mount Serapong – Blakang Mati’s highest point. It would only be in 1885 that work started on the installation of coastal artillery on Serapong. Two 8 inch guns were installed with supporting infrastructure such as casemates built into the terrain, which contained magazines, accommodation and other working spaces.

By 1912/13, the guns at Serapong Battery would be upgraded to 9.2 inch calibre guns and a separate Spur Battery, also equipped with a 9.2 inch gun added. These guns would be decommissioned in the later half of the 1930s when 9.2 inch guns at Fort Connaught were installed. Two 6 inch guns would however be placed on the spur (renamed Serapong Battery) after a review in 1936 and this was operational up to the final days before the fall of Singapore. Both guns were spiked and destroyed, No. 2 on 14th and and No. 1 on 15th February 1942.

With the development of Sentosa today, it may perhaps be surprising that extensive remnants of the installations scattered over Mount Serapong – just a stone’s throw away from the luxury developments at Sentosa Cove – can still be found today. The remnants include a underground magazine built for the 9.2 inch spur battery that was converted for use for Serapong Battery’s 6 inch No. 1 Gun, the battery’s gun emplacements, as well as several other support structures built in the 1930s for the battery. What may be more surprising are casemates, thought to have been built around 1885 can be found along with mountings for the 9.2 inch guns and best of all, a bunker 20 metres under the casemates that served as the Blakang Mati Command Centre. The bunker, with several chambers is in a damaged condition and has a vertical escape shaft at the top of which is a hatch.

The National Heritage Board, through a series of guided tours to mark the 75th Anniversary of the Fall of Singapore, offers an excellent opportunity to learn more about and see these remnants. One tour, Fort Serapong @ Fort Siloso, for which 3 sessions on the 25 February, 4 and 11 March (from 9.30 am to 12 noon) will be held. Places are limited. More  on the tours and other programmes can be found below.

For more on the guns at Serapong, on Sentosa and also across Singapore, do visit Peter Stubbs excellent FortSiloso.com site.


Photographs of the ruins on Mount Serapong

On the spur, the Gun No. 1 Gun duty personnel rooms and gunners’ shelter.

On the spur, the Gun No. 1 Gun duty personnel rooms and gunners’ shelter.

The collapsed structure of the 6 inch Gun No. 1 emplacement on the spur.

The collapsed structure of the 6 inch Gun No. 1 emplacement on the spur.

The underground 6-inch Gun No. 1 magazine on the spur, converted from that for the 9.2 inch spur battery.

The underground 6-inch Gun No. 1 magazine on the spur, converted from that for the 9.2 inch spur battery.

Inside the Other Ranks shelter in the magazine.

Inside the Other Ranks shelter in the magazine.

In the 'courtyard' of the magazine.

In the ‘courtyard’ of the magazine.

Inside the magazine.

Inside the magazine.

The 1936 kitchen complex.

The 1936 kitchen complex.

More of the kitchen complex.

More of the kitchen complex.

Another view.

Another view.

The 1936 bathroom.

The 1936 bathroom.

Fort Connaught's Battery Command Post (BCP), positioned on the highest point.

Fort Connaught’s Battery Command Post (BCP), positioned on the highest point.

Another view.

Another view.

9.2 inch gun mounting studs.

9.2 inch gun mounting studs.

A close-up.

A close-up.

The 9.2 inch shell hoist.

The 9.2 inch shell hoist.

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Nature reclaiming the space.

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Stairs at the casemate.

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Space inside the casemate.

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Part of the casemate.

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Inside a casemate space.

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Another collapsed structure.

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A underground reservoir.

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Magazine inside the casemate.

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Another view.

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The Blakang Mati Command Centre.

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Another view.

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The view up the escape shaft.

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The hatch at the end of the escape shaft.



Commemoration of the 75th Anniversary of the Fall of Singapore

This 15 February will mark 75 years since the Fall of Singapore, an event that brought about 3½ years of occupation by the Japanese and a period of immense hardship.  The National Heritage Board is commemorating the anniversary with  “Battle for Singapore – Years under the Sun Empire: Tales of Resilience” that will see guided tours, talks and activities organised by various Museum Roundtable museums from 16 February to 12 March.

There would be 12 different tours with a total of 49 tour runs to look out for. These will cover 11 World War II related sites and structures, including some rarely opened places such as the former Fort Serapong and the former Command House. There is an opportunity to also hear accounts of battle and survival and learn about the contributions and courage of the local population to the effort to defend Singapore.

Also to look forward to is the re-opening of the Former Ford Factory, which has been closed for a year-long revamp. This will reopen to the public on 16 February 2017 and see a new exhibition gallery with never-been-seen-before archival materials, There is also an interactive component offering a more immersive account of the days of war and suffering. Special exhibitions and programmes are also being put up by the Army Museum, Battlebox, the Singapore Discovery Centre. the Eurasian Heritage Centre, and Reflections at Bukit Chandu. More information is available at  www.museums.com.sg. Sign-ups for the Battle for Singapore 2017 programmes can be made at this link: https://www.eventbrite.sg/o/national-heritage-board-9384989257 (available from 6 February 2017 at 10.00am onwards). Slots are limited and will be allocated on a first-come first-served basis.






The gun battery set up for the defence of Singapore at Pengerang

1 11 2016

Hidden in the vegetation on a knoll just by the Tanjung Pengelih Jetty in Pengerang is the little that remains of a 6″ gun battery that was set up for the defence of Singapore in the 1930s. The battery was one of several that came under the Changi Command. Positioned at the southeastern tip of the Malay Peninsula, the battery, along with others at Pulau Tekong and Changi, protected the eastern approach to the Straits of Johor and thus the Naval and Air Bases constructed up the strait at Seletar. All that now seems left of the battery – the guns were destroyed by the British just before Singapore fell, at least from their accessibility to the public, are the positions where Defence Electric Lights or DEL’s were placed.

Structures belonging to a DEL position at Tanjung Pengelih in Pengerang.

Structures belonging to a DEL position at Tanjung Pengelih in Pengerang.

One of the DEL positions, with part of its roof collapsed.

One of the DEL positions, with part of its roof collapsed.

DEL’s, powerful searchlights,  supplemented coastal artillery. They could be used to search for and pick out targets, a practice that apparently had been used by the Royal Artillery since the late 1800s. These searchlights would be mounted in fortified positions closer to the coast and housed in concrete emplacements . Essential electrical power would be provided by generators housed in well-protected engine rooms, often built deep into the terrain.

A view from the inside of the DEL emplacement.

A view from the inside of the DEL emplacement.

Singapore's Defences, 1937 (Source: Between 2 Oceans (2nd Edn): A Military History of Singapore from 1275 to 1971 by Malcolm H. Murfett, John Miksic, Brian Farell, Chiang Ming Shun.

Singapore’s Defences, 1937 (source: Between 2 Oceans (2nd Edn): A Military History of Singapore from 1275 to 1971 by Malcolm H. Murfett, John Miksic, Brian Farell, Chiang Ming Shun).

Such would have been the case with the searchlight positions in Pengerang. Its remnants include both searchlight emplacements and an engine room, as well as supporting infrastructure such as accommodation blocks and storage rooms. These are all placed on the small hill that lies in the shadow of Bukit Pengerang or Johore Hill, on which the two 6″ guns of the battery were positioned.

A 1935 map showing positions or intended positions of Defence Electric Lights at the eastern entrance to the Straits of Johor (including those at Pengerang) and their coverage (National Archives of Singapore online).

An extract from a 1935 map showing positions or intended positions of Defence Electric Lights at the eastern entrance to the Straits of Johor (including those at Pengerang) and their coverage (National Archives of Singapore online).

An observation post above the DEL emplacement.

An observation post above the DEL emplacement.

I managed to join a visit to the site over the weekend orgainsed by a grouping of urban exploration enthusiasts who collectively brand themselves as the Temasek Rural Exploring Enthusiasts or TREE. For the visit, the group had tied up with guides and representatives from several Malaysian organisations and groups. These were the Muzium Tentera Darat (Army Museum) in Port Dickson, the Yayasan Warisan Johor (Johor Heritage Foundation), the Malaya Heritage Group and the Jabatan Warisan Negara (National Heritage Department). We were also joined by a Soko Jampasri,  a Japanese researcher who is based in Bangkok. Soko brought with her a Japanese military account of the war, contained in a book published by the now defunct Imperial Japanese Army Academy.

Kapten Zuraiman of Muzium Tentera Darat.

Kapten Zuraiman of Muzium Tentera Darat.

Information provided by Kapten Muhd Zuraiman Abd Ghani of the Muzium Tentera Darat as well as members of the Yayasan Warisan Johor (Johor Heritage Foundation) and the Malaya Heritage Group, point to Pengerang, a remote and isolated corner of the Malay Peninsula, being among the last positions in Malaya to have been surrendered to the Japanese Imperial Army. The army’s arrival coming a week or so after Singapore’s 15 February 1942 fall and this allowed several members of the forces based there to attempt an escape to Batam, where they were to be rounded up by the Japanese. Those that remained at Pengerang were captured and sent over to Changi.

Soko Jampasri, the Japanese researcher and Zafrani Arifin from the Malay Heritage Group.

Soko Jampasri, the Japanese researcher and Zafrani Arifin from the Malay Heritage Group.

Zafraini showing a map of the Japanese invasion of Singapore from Sako's book.

Zafrani showing a map of the Japanese invasion of Singapore from Soko’s book.

There was a little uncertainty if the guns at the position were fired at all in anger. Information provided in the Karl Hack and Kevin Blackburn’s “Did Singapore have to fall? Churchill and the impregnable fortress” point to them being used to fire at a junk on 11 February 1942. The guns might not have been used again and were destroyed on 14 February 1942 along with those at Sajahat, Ladang, Calder, Sphinx and Tekong as the loss of Singapore seemed imminent. The gun positions on Bukit Pengerang are now within the confines of the TLDM KD Sultan Ismail, the Naval Base now at Tanjung Pengelih, and it is not known if any traces of their emplacements are still around.

Another observation position,

Another observation position,

An accommodation block.

An accommodation block.

One of the structures that remain is one that greets the eye just around the bend in the road from the jetty – a machine gun pillbox. The pillbox, which is now decorated will Johor state flags and a strange collection of old items, is quite readily accessible and is one that takes me back to the days of my childhood. There were many such pillboxes found across the southern shores of Singapore up to the early 1970s and several at the Changi area, including one at Mata Ikan where I would have the holidays of my early childhood at, served as places of play and adventure despite the strong smell of rotting matter that accompanied an entry into them. Most were removed as the coastline was being pushed out during the reclamation efforts of the 1970s. One that is left, at Labrador Park, now has its openings sealed and there no longer is a possibility of an adventure in them.

The machine gun pillbox by the coast and at the foot of the knoll on which the battery's searchlights were positioned.

The machine gun pillbox by the coast and at the foot of the knoll on which the battery’s searchlights were positioned.

Inside the pillbox.

Inside the pillbox.

Several other gun emplacements and positions remain intact, including the publicly accessible No. 1 gun emplacement at the Johore Battery in Changi, now topped by a replica 15″ gun as well some substantial remnants of the Faber Command positions in Blakang Mati. However, what is left now at Pengerang is especially of interest, as it is a reminder that the protection of the garrison island, even if it was to prove ineffective in the entire scheme of things, involved positions outside what we see today as the boundaries of Singapore.

The naval base at Tanjung Pengelih, with Bukit Pengerang in the background.

The naval base at Tanjung Pengelih, with Bukit Pengerang in the background.


More photographs of the structures associated with the DEL position:

A water tank.

A water tank.

Another view of the inside of the block.

Another view of the inside of the block.

Nature has taken over some of the spaces.

Nature has taken over some of the spaces.

The corridor of another block.

The corridor of another block.

Inside the block.

Inside the block.

A gun post near what appears to be a cookhouse.

A gun post near what appears to be a cookhouse.

A wash basin.

A wash basin.

Chimneys and what was a stove.

Chimneys and what was a stove.

The entrance to the Engine Room built into the knoll.

The entrance to the Engine Room built into the knoll.

An escape shaft from the Engine Room.

An escape shaft from the Engine Room.

A trunk in the Engine Room.

A trunk in the Engine Room.

A more recent addition, a Yeo's soft drink bottle next to the structure intended to support the generators.

A more recent addition, a Yeo’s soft drink bottle next to the structure intended to support the generators.

More trunks.

More trunks.

A tunnel.

A tunnel.


Further information on the Pengerang Battery and the Coastal Defences of Singapore: